18812625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 35852544

約数和(自身を除く): 17039919

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 227, 255, 325, 375, 425, 663, 681, 975, 1105, 1135, 1275, 1625, 2125, 2951, 3315, 3405, 3859, 4875, 5525, 5675, 6375, 8853, 11577, 14755, 16575, 17025, 19295, 27625, 28375, 44265, 50167, 57885, 73775, 82875, 85125, 96475, 150501, 221325, 250835, 289425, 368875, 482375, 752505, 1106625, 1254175, 1447125, 3762525, 6270875, 18812625]

約数ペア:

[(1, 18812625), (3, 6270875), (5, 3762525), (13, 1447125), (15, 1254175), (17, 1106625), (25, 752505), (39, 482375), (51, 368875), (65, 289425), (75, 250835), (85, 221325), (125, 150501), (195, 96475), (221, 85125), (227, 82875), (255, 73775), (325, 57885), (375, 50167), (425, 44265), (663, 28375), (681, 27625), (975, 19295), (1105, 17025), (1135, 16575), (1275, 14755), (1625, 11577), (2125, 8853), (2951, 6375), (3315, 5675), (3405, 5525), (3859, 4875)]