18952375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 25945920

約数和(自身を除く): 6993545

約数列:

[1, 5, 13, 25, 65, 107, 109, 125, 325, 535, 545, 1391, 1417, 1625, 2675, 2725, 6955, 7085, 11663, 13375, 13625, 34775, 35425, 58315, 151619, 173875, 177125, 291575, 758095, 1457875, 3790475, 18952375]

約数ペア:

[(1, 18952375), (5, 3790475), (13, 1457875), (25, 758095), (65, 291575), (107, 177125), (109, 173875), (125, 151619), (325, 58315), (535, 35425), (545, 34775), (1391, 13625), (1417, 13375), (1625, 11663), (2675, 7085), (2725, 6955)]