18675556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3461}}^1$

素因数の和:3555

約数の個数: 24

約数和(自身を含む): 34896960

約数和(自身を除く): 16221404

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3461, 5396, 6922, 13844, 65759, 131518, 245731, 263036, 491462, 982924, 4668889, 9337778, 18675556]

約数ペア:

[(1, 18675556), (2, 9337778), (4, 4668889), (19, 982924), (38, 491462), (71, 263036), (76, 245731), (142, 131518), (284, 65759), (1349, 13844), (2698, 6922), (3461, 5396)]