18377942920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{234293}}^1$

素因数の和:234394

約数の個数: 64

約数和(自身を含む): 43269415920

約数和(自身を除く): 24891473000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 185, 212, 265, 296, 370, 424, 530, 740, 1060, 1480, 1961, 2120, 3922, 7844, 9805, 15688, 19610, 39220, 78440, 234293, 468586, 937172, 1171465, 1874344, 2342930, 4685860, 8668841, 9371720, 12417529, 17337682, 24835058, 34675364, 43344205, 49670116, 62087645, 69350728, 86688410, 99340232, 124175290, 173376820, 248350580, 346753640, 459448573, 496701160, 918897146, 1837794292, 2297242865, 3675588584, 4594485730, 9188971460, 18377942920]

約数ペア:

[(1, 18377942920), (2, 9188971460), (4, 4594485730), (5, 3675588584), (8, 2297242865), (10, 1837794292), (20, 918897146), (37, 496701160), (40, 459448573), (53, 346753640), (74, 248350580), (106, 173376820), (148, 124175290), (185, 99340232), (212, 86688410), (265, 69350728), (296, 62087645), (370, 49670116), (424, 43344205), (530, 34675364), (740, 24835058), (1060, 17337682), (1480, 12417529), (1961, 9371720), (2120, 8668841), (3922, 4685860), (7844, 2342930), (9805, 1874344), (15688, 1171465), (19610, 937172), (39220, 468586), (78440, 234293)]