18788040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52189}}^1$

素因数の和:52206

約数の個数: 48

約数和(自身を含む): 61062300

約数和(自身を除く): 42274260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52189, 104378, 156567, 208756, 260945, 313134, 417512, 469701, 521890, 626268, 782835, 939402, 1043780, 1252536, 1565670, 1878804, 2087560, 2348505, 3131340, 3757608, 4697010, 6262680, 9394020, 18788040]

約数ペア:

[(1, 18788040), (2, 9394020), (3, 6262680), (4, 4697010), (5, 3757608), (6, 3131340), (8, 2348505), (9, 2087560), (10, 1878804), (12, 1565670), (15, 1252536), (18, 1043780), (20, 939402), (24, 782835), (30, 626268), (36, 521890), (40, 469701), (45, 417512), (60, 313134), (72, 260945), (90, 208756), (120, 156567), (180, 104378), (360, 52189)]