19887348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7499}}^1$

素因数の和:7536

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 33032652

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7499, 14998, 22497, 29996, 44994, 89988, 97487, 127483, 194974, 254966, 292461, 382449, 389948, 509932, 584922, 764898, 1169844, 1529796, 1657279, 3314558, 4971837, 6629116, 9943674, 19887348]

約数ペア:

[(1, 19887348), (2, 9943674), (3, 6629116), (4, 4971837), (6, 3314558), (12, 1657279), (13, 1529796), (17, 1169844), (26, 764898), (34, 584922), (39, 509932), (51, 389948), (52, 382449), (68, 292461), (78, 254966), (102, 194974), (156, 127483), (204, 97487), (221, 89988), (442, 44994), (663, 29996), (884, 22497), (1326, 14998), (2652, 7499)]