18788781336

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{76519}}^1$

素因数の和:77328

約数の個数: 64

約数和(自身を含む): 50650118400

約数和(自身を除く): 31861337064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 787, 1574, 2361, 3148, 4722, 6296, 9444, 10231, 18888, 20462, 30693, 40924, 61386, 76519, 81848, 122772, 153038, 229557, 245544, 306076, 459114, 612152, 918228, 994747, 1836456, 1989494, 2984241, 3978988, 5968482, 7957976, 11936964, 23873928, 60220453, 120440906, 180661359, 240881812, 361322718, 481763624, 722645436, 782865889, 1445290872, 1565731778, 2348597667, 3131463556, 4697195334, 6262927112, 9394390668, 18788781336]

約数ペア:

[(1, 18788781336), (2, 9394390668), (3, 6262927112), (4, 4697195334), (6, 3131463556), (8, 2348597667), (12, 1565731778), (13, 1445290872), (24, 782865889), (26, 722645436), (39, 481763624), (52, 361322718), (78, 240881812), (104, 180661359), (156, 120440906), (312, 60220453), (787, 23873928), (1574, 11936964), (2361, 7957976), (3148, 5968482), (4722, 3978988), (6296, 2984241), (9444, 1989494), (10231, 1836456), (18888, 994747), (20462, 918228), (30693, 612152), (40924, 459114), (61386, 306076), (76519, 245544), (81848, 229557), (122772, 153038)]