19618600

素因数分解:

$2^3\times 5^2\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 45917820

約数和(自身を除く): 26299220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 233, 421, 466, 842, 932, 1165, 1684, 1864, 2105, 2330, 3368, 4210, 4660, 5825, 8420, 9320, 10525, 11650, 16840, 21050, 23300, 42100, 46600, 84200, 98093, 196186, 392372, 490465, 784744, 980930, 1961860, 2452325, 3923720, 4904650, 9809300, 19618600]

約数ペア:

[(1, 19618600), (2, 9809300), (4, 4904650), (5, 3923720), (8, 2452325), (10, 1961860), (20, 980930), (25, 784744), (40, 490465), (50, 392372), (100, 196186), (200, 98093), (233, 84200), (421, 46600), (466, 42100), (842, 23300), (932, 21050), (1165, 16840), (1684, 11650), (1864, 10525), (2105, 9320), (2330, 8420), (3368, 5825), (4210, 4660)]