18721195128

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{42787}}^1$

素因数の和:42961

約数の個数: 96

約数和(自身を含む): 52064438400

約数和(自身を除く): 33343243272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 103, 118, 177, 206, 236, 309, 354, 412, 472, 531, 618, 708, 824, 927, 1062, 1236, 1416, 1854, 2124, 2472, 3708, 4248, 6077, 7416, 12154, 18231, 24308, 36462, 42787, 48616, 54693, 72924, 85574, 109386, 128361, 145848, 171148, 218772, 256722, 342296, 385083, 437544, 513444, 770166, 1026888, 1540332, 2524433, 3080664, 4407061, 5048866, 7573299, 8814122, 10097732, 13221183, 15146598, 17628244, 20195464, 22719897, 26442366, 30293196, 35256488, 39663549, 45439794, 52884732, 60586392, 79327098, 90879588, 105769464, 158654196, 181759176, 260016599, 317308392, 520033198, 780049797, 1040066396, 1560099594, 2080132792, 2340149391, 3120199188, 4680298782, 6240398376, 9360597564, 18721195128]

約数ペア:

[(1, 18721195128), (2, 9360597564), (3, 6240398376), (4, 4680298782), (6, 3120199188), (8, 2340149391), (9, 2080132792), (12, 1560099594), (18, 1040066396), (24, 780049797), (36, 520033198), (59, 317308392), (72, 260016599), (103, 181759176), (118, 158654196), (177, 105769464), (206, 90879588), (236, 79327098), (309, 60586392), (354, 52884732), (412, 45439794), (472, 39663549), (531, 35256488), (618, 30293196), (708, 26442366), (824, 22719897), (927, 20195464), (1062, 17628244), (1236, 15146598), (1416, 13221183), (1854, 10097732), (2124, 8814122), (2472, 7573299), (3708, 5048866), (4248, 4407061), (6077, 3080664), (7416, 2524433), (12154, 1540332), (18231, 1026888), (24308, 770166), (36462, 513444), (42787, 437544), (48616, 385083), (54693, 342296), (72924, 256722), (85574, 218772), (109386, 171148), (128361, 145848)]