18953350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2243}}^1$

素因数の和:2281

約数の個数: 36

約数和(自身を含む): 38190636

約数和(自身を除く): 19237286

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 2243, 4225, 4486, 8450, 11215, 22430, 29159, 56075, 58318, 112150, 145795, 291590, 379067, 728975, 758134, 1457950, 1895335, 3790670, 9476675, 18953350]

約数ペア:

[(1, 18953350), (2, 9476675), (5, 3790670), (10, 1895335), (13, 1457950), (25, 758134), (26, 728975), (50, 379067), (65, 291590), (130, 145795), (169, 112150), (325, 58318), (338, 56075), (650, 29159), (845, 22430), (1690, 11215), (2243, 8450), (4225, 4486)]