18196520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9679}}^1$

素因数の和:9737

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 23621080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9679, 19358, 38716, 48395, 77432, 96790, 193580, 387160, 454913, 909826, 1819652, 2274565, 3639304, 4549130, 9098260, 18196520]

約数ペア:

[(1, 18196520), (2, 9098260), (4, 4549130), (5, 3639304), (8, 2274565), (10, 1819652), (20, 909826), (40, 454913), (47, 387160), (94, 193580), (188, 96790), (235, 77432), (376, 48395), (470, 38716), (940, 19358), (1880, 9679)]