18706682

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 31190400

約数和(自身を除く): 12483718

約数列:

[1, 2, 23, 29, 37, 46, 58, 74, 379, 667, 758, 851, 1073, 1334, 1702, 2146, 8717, 10991, 14023, 17434, 21982, 24679, 28046, 49358, 252793, 322529, 406667, 505586, 645058, 813334, 9353341, 18706682]

約数ペア:

[(1, 18706682), (2, 9353341), (23, 813334), (29, 645058), (37, 505586), (46, 406667), (58, 322529), (74, 252793), (379, 49358), (667, 28046), (758, 24679), (851, 21982), (1073, 17434), (1334, 14023), (1702, 10991), (2146, 8717)]