19144980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 62060544

約数和(自身を除く): 42915564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 47, 60, 62, 73, 90, 93, 94, 124, 141, 146, 155, 180, 186, 188, 219, 235, 279, 282, 292, 310, 365, 372, 423, 438, 465, 470, 558, 564, 620, 657, 705, 730, 846, 876, 930, 940, 1095, 1116, 1314, 1395, 1410, 1457, 1460, 1692, 1860, 2115, 2190, 2263, 2628, 2790, 2820, 2914, 3285, 3431, 4230, 4371, 4380, 4526, 5580, 5828, 6570, 6789, 6862, 7285, 8460, 8742, 9052, 10293, 11315, 13113, 13140, 13578, 13724, 14570, 17155, 17484, 20367, 20586, 21855, 22630, 26226, 27156, 29140, 30879, 33945, 34310, 40734, 41172, 43710, 45260, 51465, 52452, 61758, 65565, 67890, 68620, 81468, 87420, 101835, 102930, 106361, 123516, 131130, 135780, 154395, 203670, 205860, 212722, 262260, 308790, 319083, 407340, 425444, 531805, 617580, 638166, 957249, 1063610, 1276332, 1595415, 1914498, 2127220, 3190830, 3828996, 4786245, 6381660, 9572490, 19144980]

約数ペア:

[(1, 19144980), (2, 9572490), (3, 6381660), (4, 4786245), (5, 3828996), (6, 3190830), (9, 2127220), (10, 1914498), (12, 1595415), (15, 1276332), (18, 1063610), (20, 957249), (30, 638166), (31, 617580), (36, 531805), (45, 425444), (47, 407340), (60, 319083), (62, 308790), (73, 262260), (90, 212722), (93, 205860), (94, 203670), (124, 154395), (141, 135780), (146, 131130), (155, 123516), (180, 106361), (186, 102930), (188, 101835), (219, 87420), (235, 81468), (279, 68620), (282, 67890), (292, 65565), (310, 61758), (365, 52452), (372, 51465), (423, 45260), (438, 43710), (465, 41172), (470, 40734), (558, 34310), (564, 33945), (620, 30879), (657, 29140), (705, 27156), (730, 26226), (846, 22630), (876, 21855), (930, 20586), (940, 20367), (1095, 17484), (1116, 17155), (1314, 14570), (1395, 13724), (1410, 13578), (1457, 13140), (1460, 13113), (1692, 11315), (1860, 10293), (2115, 9052), (2190, 8742), (2263, 8460), (2628, 7285), (2790, 6862), (2820, 6789), (2914, 6570), (3285, 5828), (3431, 5580), (4230, 4526), (4371, 4380)]