18154015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 7060961

約数列:

[1, 5, 11, 23, 55, 113, 115, 127, 253, 565, 635, 1243, 1265, 1397, 2599, 2921, 6215, 6985, 12995, 14351, 14605, 28589, 32131, 71755, 142945, 157861, 160655, 330073, 789305, 1650365, 3630803, 18154015]

約数ペア:

[(1, 18154015), (5, 3630803), (11, 1650365), (23, 789305), (55, 330073), (113, 160655), (115, 157861), (127, 142945), (253, 71755), (565, 32131), (635, 28589), (1243, 14605), (1265, 14351), (1397, 12995), (2599, 6985), (2921, 6215)]