18894408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2633}}^1$

素因数の和:2678

約数の個数: 64

約数和(自身を含む): 53101440

約数和(自身を除く): 34207032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2633, 3588, 5266, 7176, 7899, 10532, 15798, 21064, 31596, 34229, 60559, 63192, 68458, 102687, 121118, 136916, 181677, 205374, 242236, 273832, 363354, 410748, 484472, 726708, 787267, 821496, 1453416, 1574534, 2361801, 3149068, 4723602, 6298136, 9447204, 18894408]

約数ペア:

[(1, 18894408), (2, 9447204), (3, 6298136), (4, 4723602), (6, 3149068), (8, 2361801), (12, 1574534), (13, 1453416), (23, 821496), (24, 787267), (26, 726708), (39, 484472), (46, 410748), (52, 363354), (69, 273832), (78, 242236), (92, 205374), (104, 181677), (138, 136916), (156, 121118), (184, 102687), (276, 68458), (299, 63192), (312, 60559), (552, 34229), (598, 31596), (897, 21064), (1196, 15798), (1794, 10532), (2392, 7899), (2633, 7176), (3588, 5266)]