18275740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4211}}^1$

素因数の和:4258

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 27011684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4211, 4340, 8422, 16844, 21055, 29477, 42110, 58954, 84220, 117908, 130541, 147385, 261082, 294770, 522164, 589540, 652705, 913787, 1305410, 1827574, 2610820, 3655148, 4568935, 9137870, 18275740]

約数ペア:

[(1, 18275740), (2, 9137870), (4, 4568935), (5, 3655148), (7, 2610820), (10, 1827574), (14, 1305410), (20, 913787), (28, 652705), (31, 589540), (35, 522164), (62, 294770), (70, 261082), (124, 147385), (140, 130541), (155, 117908), (217, 84220), (310, 58954), (434, 42110), (620, 29477), (868, 21055), (1085, 16844), (2170, 8422), (4211, 4340)]