18853770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1667}}^1$

素因数の和:1719

約数の個数: 64

約数和(自身を含む): 50440320

約数和(自身を除く): 31586550

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1667, 1885, 2262, 3334, 3770, 5001, 5655, 8335, 10002, 11310, 16670, 21671, 25005, 43342, 48343, 50010, 65013, 96686, 108355, 130026, 145029, 216710, 241715, 290058, 325065, 483430, 628459, 650130, 725145, 1256918, 1450290, 1885377, 3142295, 3770754, 6284590, 9426885, 18853770]

約数ペア:

[(1, 18853770), (2, 9426885), (3, 6284590), (5, 3770754), (6, 3142295), (10, 1885377), (13, 1450290), (15, 1256918), (26, 725145), (29, 650130), (30, 628459), (39, 483430), (58, 325065), (65, 290058), (78, 241715), (87, 216710), (130, 145029), (145, 130026), (174, 108355), (195, 96686), (290, 65013), (377, 50010), (390, 48343), (435, 43342), (754, 25005), (870, 21671), (1131, 16670), (1667, 11310), (1885, 10002), (2262, 8335), (3334, 5655), (3770, 5001)]