19373320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11813}}^1$

素因数の和:11865

約数の個数: 32

約数和(自身を含む): 44656920

約数和(自身を除く): 25283600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11813, 23626, 47252, 59065, 94504, 118130, 236260, 472520, 484333, 968666, 1937332, 2421665, 3874664, 4843330, 9686660, 19373320]

約数ペア:

[(1, 19373320), (2, 9686660), (4, 4843330), (5, 3874664), (8, 2421665), (10, 1937332), (20, 968666), (40, 484333), (41, 472520), (82, 236260), (164, 118130), (205, 94504), (328, 59065), (410, 47252), (820, 23626), (1640, 11813)]