19931920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3413}}^1$

素因数の和:3499

約数の個数: 40

約数和(自身を含む): 46990296

約数和(自身を除く): 27058376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3413, 5840, 6826, 13652, 17065, 27304, 34130, 54608, 68260, 136520, 249149, 273040, 498298, 996596, 1245745, 1993192, 2491490, 3986384, 4982980, 9965960, 19931920]

約数ペア:

[(1, 19931920), (2, 9965960), (4, 4982980), (5, 3986384), (8, 2491490), (10, 1993192), (16, 1245745), (20, 996596), (40, 498298), (73, 273040), (80, 249149), (146, 136520), (292, 68260), (365, 54608), (584, 34130), (730, 27304), (1168, 17065), (1460, 13652), (2920, 6826), (3413, 5840)]