18268145

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 7997455

約数列:

[1, 5, 7, 31, 35, 113, 149, 155, 217, 565, 745, 791, 1043, 1085, 3503, 3955, 4619, 5215, 16837, 17515, 23095, 24521, 32333, 84185, 117859, 122605, 161665, 521947, 589295, 2609735, 3653629, 18268145]

約数ペア:

[(1, 18268145), (5, 3653629), (7, 2609735), (31, 589295), (35, 521947), (113, 161665), (149, 122605), (155, 117859), (217, 84185), (565, 32333), (745, 24521), (791, 23095), (1043, 17515), (1085, 16837), (3503, 5215), (3955, 4619)]