18170552

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 38905920

約数和(自身を除く): 20735368

約数列:

[1, 2, 4, 8, 17, 23, 34, 37, 46, 68, 74, 92, 136, 148, 157, 184, 296, 314, 391, 628, 629, 782, 851, 1256, 1258, 1564, 1702, 2516, 2669, 3128, 3404, 3611, 5032, 5338, 5809, 6808, 7222, 10676, 11618, 14444, 14467, 21352, 23236, 28888, 28934, 46472, 57868, 61387, 98753, 115736, 122774, 133607, 197506, 245548, 267214, 395012, 491096, 534428, 790024, 1068856, 2271319, 4542638, 9085276, 18170552]

約数ペア:

[(1, 18170552), (2, 9085276), (4, 4542638), (8, 2271319), (17, 1068856), (23, 790024), (34, 534428), (37, 491096), (46, 395012), (68, 267214), (74, 245548), (92, 197506), (136, 133607), (148, 122774), (157, 115736), (184, 98753), (296, 61387), (314, 57868), (391, 46472), (628, 28934), (629, 28888), (782, 23236), (851, 21352), (1256, 14467), (1258, 14444), (1564, 11618), (1702, 10676), (2516, 7222), (2669, 6808), (3128, 5809), (3404, 5338), (3611, 5032)]