18692820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3581}}^1$

素因数の和:3625

約数の個数: 72

約数和(自身を含む): 58673160

約数和(自身を除く): 39980340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3581, 5220, 7162, 10743, 14324, 17905, 21486, 32229, 35810, 42972, 53715, 64458, 71620, 103849, 107430, 128916, 161145, 207698, 214860, 311547, 322290, 415396, 519245, 623094, 644580, 934641, 1038490, 1246188, 1557735, 1869282, 2076980, 3115470, 3738564, 4673205, 6230940, 9346410, 18692820]

約数ペア:

[(1, 18692820), (2, 9346410), (3, 6230940), (4, 4673205), (5, 3738564), (6, 3115470), (9, 2076980), (10, 1869282), (12, 1557735), (15, 1246188), (18, 1038490), (20, 934641), (29, 644580), (30, 623094), (36, 519245), (45, 415396), (58, 322290), (60, 311547), (87, 214860), (90, 207698), (116, 161145), (145, 128916), (174, 107430), (180, 103849), (261, 71620), (290, 64458), (348, 53715), (435, 42972), (522, 35810), (580, 32229), (870, 21486), (1044, 17905), (1305, 14324), (1740, 10743), (2610, 7162), (3581, 5220)]