18932475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 34283520

約数和(自身を除く): 15351045

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 425, 465, 479, 527, 775, 1275, 1437, 1581, 2325, 2395, 2635, 7185, 7905, 8143, 11975, 13175, 14849, 24429, 35925, 39525, 40715, 44547, 74245, 122145, 203575, 222735, 252433, 371225, 610725, 757299, 1113675, 1262165, 3786495, 6310825, 18932475]

約数ペア:

[(1, 18932475), (3, 6310825), (5, 3786495), (15, 1262165), (17, 1113675), (25, 757299), (31, 610725), (51, 371225), (75, 252433), (85, 222735), (93, 203575), (155, 122145), (255, 74245), (425, 44547), (465, 40715), (479, 39525), (527, 35925), (775, 24429), (1275, 14849), (1437, 13175), (1581, 11975), (2325, 8143), (2395, 7905), (2635, 7185)]