19416540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 66834432

約数和(自身を除く): 47417892

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 31, 33, 39, 44, 52, 55, 60, 62, 65, 66, 73, 78, 93, 110, 124, 130, 132, 143, 146, 155, 156, 165, 186, 195, 219, 220, 260, 286, 292, 310, 330, 341, 365, 372, 390, 403, 429, 438, 465, 572, 620, 660, 682, 715, 730, 780, 803, 806, 858, 876, 930, 949, 1023, 1095, 1209, 1364, 1430, 1460, 1606, 1612, 1705, 1716, 1860, 1898, 2015, 2046, 2145, 2190, 2263, 2409, 2418, 2847, 2860, 3212, 3410, 3796, 4015, 4030, 4092, 4290, 4380, 4433, 4526, 4745, 4818, 4836, 5115, 5694, 6045, 6789, 6820, 8030, 8060, 8580, 8866, 9052, 9490, 9636, 10230, 10439, 11315, 11388, 12045, 12090, 13299, 13578, 14235, 16060, 17732, 18980, 20460, 20878, 22165, 22630, 24090, 24180, 24893, 26598, 27156, 28470, 29419, 31317, 33945, 41756, 44330, 45260, 48180, 49786, 52195, 53196, 56940, 58838, 62634, 66495, 67890, 74679, 88257, 88660, 99572, 104390, 117676, 124465, 125268, 132990, 135780, 147095, 149358, 156585, 176514, 208780, 248930, 265980, 294190, 298716, 313170, 323609, 353028, 373395, 441285, 497860, 588380, 626340, 647218, 746790, 882570, 970827, 1294436, 1493580, 1618045, 1765140, 1941654, 3236090, 3883308, 4854135, 6472180, 9708270, 19416540]

約数ペア:

[(1, 19416540), (2, 9708270), (3, 6472180), (4, 4854135), (5, 3883308), (6, 3236090), (10, 1941654), (11, 1765140), (12, 1618045), (13, 1493580), (15, 1294436), (20, 970827), (22, 882570), (26, 746790), (30, 647218), (31, 626340), (33, 588380), (39, 497860), (44, 441285), (52, 373395), (55, 353028), (60, 323609), (62, 313170), (65, 298716), (66, 294190), (73, 265980), (78, 248930), (93, 208780), (110, 176514), (124, 156585), (130, 149358), (132, 147095), (143, 135780), (146, 132990), (155, 125268), (156, 124465), (165, 117676), (186, 104390), (195, 99572), (219, 88660), (220, 88257), (260, 74679), (286, 67890), (292, 66495), (310, 62634), (330, 58838), (341, 56940), (365, 53196), (372, 52195), (390, 49786), (403, 48180), (429, 45260), (438, 44330), (465, 41756), (572, 33945), (620, 31317), (660, 29419), (682, 28470), (715, 27156), (730, 26598), (780, 24893), (803, 24180), (806, 24090), (858, 22630), (876, 22165), (930, 20878), (949, 20460), (1023, 18980), (1095, 17732), (1209, 16060), (1364, 14235), (1430, 13578), (1460, 13299), (1606, 12090), (1612, 12045), (1705, 11388), (1716, 11315), (1860, 10439), (1898, 10230), (2015, 9636), (2046, 9490), (2145, 9052), (2190, 8866), (2263, 8580), (2409, 8060), (2418, 8030), (2847, 6820), (2860, 6789), (3212, 6045), (3410, 5694), (3796, 5115), (4015, 4836), (4030, 4818), (4092, 4745), (4290, 4526), (4380, 4433)]