18786950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4129}}^1$

素因数の和:4161

約数の個数: 48

約数和(自身を含む): 43018080

約数和(自身を除く): 24231130

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4129, 4550, 8258, 20645, 28903, 41290, 53677, 57806, 103225, 107354, 144515, 206450, 268385, 289030, 375739, 536770, 722575, 751478, 1341925, 1445150, 1878695, 2683850, 3757390, 9393475, 18786950]

約数ペア:

[(1, 18786950), (2, 9393475), (5, 3757390), (7, 2683850), (10, 1878695), (13, 1445150), (14, 1341925), (25, 751478), (26, 722575), (35, 536770), (50, 375739), (65, 289030), (70, 268385), (91, 206450), (130, 144515), (175, 107354), (182, 103225), (325, 57806), (350, 53677), (455, 41290), (650, 28903), (910, 20645), (2275, 8258), (4129, 4550)]