18851625

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 36625680

約数和(自身を除く): 17774055

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1289, 1625, 2925, 3867, 4875, 6445, 11601, 14625, 16757, 19335, 32225, 50271, 58005, 83785, 96675, 150813, 161125, 251355, 290025, 418925, 483375, 754065, 1256775, 1450125, 2094625, 3770325, 6283875, 18851625]

約数ペア:

[(1, 18851625), (3, 6283875), (5, 3770325), (9, 2094625), (13, 1450125), (15, 1256775), (25, 754065), (39, 483375), (45, 418925), (65, 290025), (75, 251355), (117, 161125), (125, 150813), (195, 96675), (225, 83785), (325, 58005), (375, 50271), (585, 32225), (975, 19335), (1125, 16757), (1289, 14625), (1625, 11601), (2925, 6445), (3867, 4875)]