18625120

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1973}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 44770320

約数和(自身を除く): 26145200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 1973, 2360, 3946, 4720, 7892, 9440, 9865, 15784, 19730, 31568, 39460, 63136, 78920, 116407, 157840, 232814, 315680, 465628, 582035, 931256, 1164070, 1862512, 2328140, 3725024, 4656280, 9312560, 18625120]

約数ペア:

[(1, 18625120), (2, 9312560), (4, 4656280), (5, 3725024), (8, 2328140), (10, 1862512), (16, 1164070), (20, 931256), (32, 582035), (40, 465628), (59, 315680), (80, 232814), (118, 157840), (160, 116407), (236, 78920), (295, 63136), (472, 39460), (590, 31568), (944, 19730), (1180, 15784), (1888, 9865), (1973, 9440), (2360, 7892), (3946, 4720)]