17988828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 49737744

約数和(自身を除く): 31748916

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 953, 1452, 1573, 1716, 1906, 2859, 3146, 3812, 4719, 5718, 6292, 9438, 10483, 11436, 12389, 18876, 20966, 24778, 31449, 37167, 41932, 49556, 62898, 74334, 115313, 125796, 136279, 148668, 230626, 272558, 345939, 408837, 461252, 545116, 691878, 817674, 1383756, 1499069, 1635348, 2998138, 4497207, 5996276, 8994414, 17988828]

約数ペア:

[(1, 17988828), (2, 8994414), (3, 5996276), (4, 4497207), (6, 2998138), (11, 1635348), (12, 1499069), (13, 1383756), (22, 817674), (26, 691878), (33, 545116), (39, 461252), (44, 408837), (52, 345939), (66, 272558), (78, 230626), (121, 148668), (132, 136279), (143, 125796), (156, 115313), (242, 74334), (286, 62898), (363, 49556), (429, 41932), (484, 37167), (572, 31449), (726, 24778), (858, 20966), (953, 18876), (1452, 12389), (1573, 11436), (1716, 10483), (1906, 9438), (2859, 6292), (3146, 5718), (3812, 4719)]