19563804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2459}}^1$

素因数の和:2499

約数の個数: 72

約数和(自身を含む): 56412720

約数和(自身を除く): 36848916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2459, 2652, 3978, 4918, 7377, 7956, 9836, 14754, 22131, 29508, 31967, 41803, 44262, 63934, 83606, 88524, 95901, 125409, 127868, 167212, 191802, 250818, 287703, 376227, 383604, 501636, 543439, 575406, 752454, 1086878, 1150812, 1504908, 1630317, 2173756, 3260634, 4890951, 6521268, 9781902, 19563804]

約数ペア:

[(1, 19563804), (2, 9781902), (3, 6521268), (4, 4890951), (6, 3260634), (9, 2173756), (12, 1630317), (13, 1504908), (17, 1150812), (18, 1086878), (26, 752454), (34, 575406), (36, 543439), (39, 501636), (51, 383604), (52, 376227), (68, 287703), (78, 250818), (102, 191802), (117, 167212), (153, 127868), (156, 125409), (204, 95901), (221, 88524), (234, 83606), (306, 63934), (442, 44262), (468, 41803), (612, 31967), (663, 29508), (884, 22131), (1326, 14754), (1989, 9836), (2459, 7956), (2652, 7377), (3978, 4918)]