18547520

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:555

約数の個数: 56

約数和(自身を含む): 44577000

約数和(自身を除く): 26029480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 389, 596, 745, 778, 1192, 1490, 1556, 1945, 2384, 2980, 3112, 3890, 4768, 5960, 6224, 7780, 9536, 11920, 12448, 15560, 23840, 24896, 31120, 47680, 57961, 62240, 115922, 124480, 231844, 289805, 463688, 579610, 927376, 1159220, 1854752, 2318440, 3709504, 4636880, 9273760, 18547520]

約数ペア:

[(1, 18547520), (2, 9273760), (4, 4636880), (5, 3709504), (8, 2318440), (10, 1854752), (16, 1159220), (20, 927376), (32, 579610), (40, 463688), (64, 289805), (80, 231844), (149, 124480), (160, 115922), (298, 62240), (320, 57961), (389, 47680), (596, 31120), (745, 24896), (778, 23840), (1192, 15560), (1490, 12448), (1556, 11920), (1945, 9536), (2384, 7780), (2980, 6224), (3112, 5960), (3890, 4768)]