18702994

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{587}}^1$

素因数の和:857

約数の個数: 16

約数和(自身を含む): 28576800

約数和(自身を除く): 9873806

約数列:

[1, 2, 89, 178, 179, 358, 587, 1174, 15931, 31862, 52243, 104486, 105073, 210146, 9351497, 18702994]

約数ペア:

[(1, 18702994), (2, 9351497), (89, 210146), (178, 105073), (179, 104486), (358, 52243), (587, 31862), (1174, 15931)]