18663830

素因数分解:

$2^1\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{1439}}^1$

素因数の和:2743

約数の個数: 16

約数和(自身を含む): 33644160

約数和(自身を除く): 14980330

約数列:

[1, 2, 5, 10, 1297, 1439, 2594, 2878, 6485, 7195, 12970, 14390, 1866383, 3732766, 9331915, 18663830]

約数ペア:

[(1, 18663830), (2, 9331915), (5, 3732766), (10, 1866383), (1297, 14390), (1439, 12970), (2594, 7195), (2878, 6485)]