19795308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 51403968

約数和(自身を除く): 31608660

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 169, 172, 227, 258, 338, 454, 507, 516, 559, 676, 681, 908, 1014, 1118, 1362, 1677, 2028, 2236, 2724, 2951, 3354, 5902, 6708, 7267, 8853, 9761, 11804, 14534, 17706, 19522, 21801, 29068, 29283, 35412, 38363, 39044, 43602, 58566, 76726, 87204, 115089, 117132, 126893, 153452, 230178, 253786, 380679, 460356, 507572, 761358, 1522716, 1649609, 3299218, 4948827, 6598436, 9897654, 19795308]

約数ペア:

[(1, 19795308), (2, 9897654), (3, 6598436), (4, 4948827), (6, 3299218), (12, 1649609), (13, 1522716), (26, 761358), (39, 507572), (43, 460356), (52, 380679), (78, 253786), (86, 230178), (129, 153452), (156, 126893), (169, 117132), (172, 115089), (227, 87204), (258, 76726), (338, 58566), (454, 43602), (507, 39044), (516, 38363), (559, 35412), (676, 29283), (681, 29068), (908, 21801), (1014, 19522), (1118, 17706), (1362, 14534), (1677, 11804), (2028, 9761), (2236, 8853), (2724, 7267), (2951, 6708), (3354, 5902)]