18633550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 37810080

約数和(自身を除く): 19176530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 130, 218, 263, 325, 526, 545, 650, 1090, 1315, 1417, 2630, 2725, 2834, 3419, 5450, 6575, 6838, 7085, 13150, 14170, 17095, 28667, 34190, 35425, 57334, 70850, 85475, 143335, 170950, 286670, 372671, 716675, 745342, 1433350, 1863355, 3726710, 9316775, 18633550]

約数ペア:

[(1, 18633550), (2, 9316775), (5, 3726710), (10, 1863355), (13, 1433350), (25, 745342), (26, 716675), (50, 372671), (65, 286670), (109, 170950), (130, 143335), (218, 85475), (263, 70850), (325, 57334), (526, 35425), (545, 34190), (650, 28667), (1090, 17095), (1315, 14170), (1417, 13150), (2630, 7085), (2725, 6838), (2834, 6575), (3419, 5450)]