19234280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 47658240

約数和(自身を除く): 28423960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 787, 940, 1222, 1574, 1880, 2444, 3055, 3148, 3935, 4888, 6110, 6296, 7870, 10231, 12220, 15740, 20462, 24440, 31480, 36989, 40924, 51155, 73978, 81848, 102310, 147956, 184945, 204620, 295912, 369890, 409240, 480857, 739780, 961714, 1479560, 1923428, 2404285, 3846856, 4808570, 9617140, 19234280]

約数ペア:

[(1, 19234280), (2, 9617140), (4, 4808570), (5, 3846856), (8, 2404285), (10, 1923428), (13, 1479560), (20, 961714), (26, 739780), (40, 480857), (47, 409240), (52, 369890), (65, 295912), (94, 204620), (104, 184945), (130, 147956), (188, 102310), (235, 81848), (260, 73978), (376, 51155), (470, 40924), (520, 36989), (611, 31480), (787, 24440), (940, 20462), (1222, 15740), (1574, 12220), (1880, 10231), (2444, 7870), (3055, 6296), (3148, 6110), (3935, 4888)]