19901762

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7333}}^1$

素因数の和:7417

約数の個数: 16

約数和(自身を含む): 31682880

約数和(自身を除く): 11781118

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7333, 14666, 168659, 337318, 432647, 865294, 9950881, 19901762]

約数ペア:

[(1, 19901762), (2, 9950881), (23, 865294), (46, 432647), (59, 337318), (118, 168659), (1357, 14666), (2714, 7333)]