19566520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3001}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 44309520

約数和(自身を除く): 24743000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3001, 3260, 6002, 6520, 12004, 15005, 24008, 30010, 60020, 120040, 489163, 978326, 1956652, 2445815, 3913304, 4891630, 9783260, 19566520]

約数ペア:

[(1, 19566520), (2, 9783260), (4, 4891630), (5, 3913304), (8, 2445815), (10, 1956652), (20, 978326), (40, 489163), (163, 120040), (326, 60020), (652, 30010), (815, 24008), (1304, 15005), (1630, 12004), (3001, 6520), (3260, 6002)]