18916018014

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1\times {\mathrm{3229}}^1$

素因数の和:4057

約数の個数: 64

約数和(自身を含む): 40632883200

約数和(自身を除く): 21716865186

約数列:

[1, 2, 3, 6, 17, 34, 51, 79, 102, 158, 237, 474, 727, 1343, 1454, 2181, 2686, 3229, 4029, 4362, 6458, 8058, 9687, 12359, 19374, 24718, 37077, 54893, 57433, 74154, 109786, 114866, 164679, 172299, 255091, 329358, 344598, 510182, 765273, 976361, 1530546, 1952722, 2347483, 2929083, 4336547, 4694966, 5858166, 7042449, 8673094, 13009641, 14084898, 26019282, 39907211, 79814422, 119721633, 185451157, 239443266, 370902314, 556353471, 1112706942, 3152669669, 6305339338, 9458009007, 18916018014]

約数ペア:

[(1, 18916018014), (2, 9458009007), (3, 6305339338), (6, 3152669669), (17, 1112706942), (34, 556353471), (51, 370902314), (79, 239443266), (102, 185451157), (158, 119721633), (237, 79814422), (474, 39907211), (727, 26019282), (1343, 14084898), (1454, 13009641), (2181, 8673094), (2686, 7042449), (3229, 5858166), (4029, 4694966), (4362, 4336547), (6458, 2929083), (8058, 2347483), (9687, 1952722), (12359, 1530546), (19374, 976361), (24718, 765273), (37077, 510182), (54893, 344598), (57433, 329358), (74154, 255091), (109786, 172299), (114866, 164679)]