19876580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32059}}^1$

素因数の和:32099

約数の個数: 24

約数和(自身を含む): 43088640

約数和(自身を除く): 23212060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32059, 64118, 128236, 160295, 320590, 641180, 993829, 1987658, 3975316, 4969145, 9938290, 19876580]

約数ペア:

[(1, 19876580), (2, 9938290), (4, 4969145), (5, 3975316), (10, 1987658), (20, 993829), (31, 641180), (62, 320590), (124, 160295), (155, 128236), (310, 64118), (620, 32059)]