18976288

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 72

約数和(自身を含む): 41806800

約数和(自身を除く): 22830512

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 59, 76, 92, 118, 152, 184, 236, 304, 368, 437, 472, 529, 608, 736, 874, 944, 1058, 1121, 1357, 1748, 1888, 2116, 2242, 2714, 3496, 4232, 4484, 5428, 6992, 8464, 8968, 10051, 10856, 13984, 16928, 17936, 20102, 21712, 25783, 31211, 35872, 40204, 43424, 51566, 62422, 80408, 103132, 124844, 160816, 206264, 249688, 321632, 412528, 499376, 593009, 825056, 998752, 1186018, 2372036, 4744072, 9488144, 18976288]

約数ペア:

[(1, 18976288), (2, 9488144), (4, 4744072), (8, 2372036), (16, 1186018), (19, 998752), (23, 825056), (32, 593009), (38, 499376), (46, 412528), (59, 321632), (76, 249688), (92, 206264), (118, 160816), (152, 124844), (184, 103132), (236, 80408), (304, 62422), (368, 51566), (437, 43424), (472, 40204), (529, 35872), (608, 31211), (736, 25783), (874, 21712), (944, 20102), (1058, 17936), (1121, 16928), (1357, 13984), (1748, 10856), (1888, 10051), (2116, 8968), (2242, 8464), (2714, 6992), (3496, 5428), (4232, 4484)]