18852860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 43394400

約数和(自身を除く): 24541540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1229, 1534, 2458, 3068, 3835, 4916, 6145, 7670, 12290, 15340, 15977, 24580, 31954, 63908, 72511, 79885, 145022, 159770, 290044, 319540, 362555, 725110, 942643, 1450220, 1885286, 3770572, 4713215, 9426430, 18852860]

約数ペア:

[(1, 18852860), (2, 9426430), (4, 4713215), (5, 3770572), (10, 1885286), (13, 1450220), (20, 942643), (26, 725110), (52, 362555), (59, 319540), (65, 290044), (118, 159770), (130, 145022), (236, 79885), (260, 72511), (295, 63908), (590, 31954), (767, 24580), (1180, 15977), (1229, 15340), (1534, 12290), (2458, 7670), (3068, 6145), (3835, 4916)]