18169610

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 33581952

約数和(自身を除く): 15412342

約数列:

[1, 2, 5, 10, 71, 142, 157, 163, 314, 326, 355, 710, 785, 815, 1570, 1630, 11147, 11573, 22294, 23146, 25591, 51182, 55735, 57865, 111470, 115730, 127955, 255910, 1816961, 3633922, 9084805, 18169610]

約数ペア:

[(1, 18169610), (2, 9084805), (5, 3633922), (10, 1816961), (71, 255910), (142, 127955), (157, 115730), (163, 111470), (314, 57865), (326, 55735), (355, 51182), (710, 25591), (785, 23146), (815, 22294), (1570, 11573), (1630, 11147)]