11808980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3413}}^1$

素因数の和:3595

約数の個数: 24

約数和(自身を含む): 24949512

約数和(自身を除く): 13140532

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3413, 3460, 6826, 13652, 17065, 34130, 68260, 590449, 1180898, 2361796, 2952245, 5904490, 11808980]

約数ペア:

[(1, 11808980), (2, 5904490), (4, 2952245), (5, 2361796), (10, 1180898), (20, 590449), (173, 68260), (346, 34130), (692, 17065), (865, 13652), (1730, 6826), (3413, 3460)]