20181304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 47433600

約数和(自身を除く): 27252296

約数列:

[1, 2, 4, 8, 11, 13, 22, 23, 26, 44, 46, 52, 59, 88, 92, 104, 118, 143, 169, 184, 236, 253, 286, 299, 338, 472, 506, 572, 598, 649, 676, 767, 1012, 1144, 1196, 1298, 1352, 1357, 1534, 1859, 2024, 2392, 2596, 2714, 3068, 3289, 3718, 3887, 5192, 5428, 6136, 6578, 7436, 7774, 8437, 9971, 10856, 13156, 14872, 14927, 15548, 16874, 17641, 19942, 26312, 29854, 31096, 33748, 35282, 39884, 42757, 59708, 67496, 70564, 79768, 85514, 109681, 119416, 141128, 171028, 194051, 219362, 229333, 342056, 388102, 438724, 458666, 776204, 877448, 917332, 1552408, 1834664, 2522663, 5045326, 10090652, 20181304]

約数ペア:

[(1, 20181304), (2, 10090652), (4, 5045326), (8, 2522663), (11, 1834664), (13, 1552408), (22, 917332), (23, 877448), (26, 776204), (44, 458666), (46, 438724), (52, 388102), (59, 342056), (88, 229333), (92, 219362), (104, 194051), (118, 171028), (143, 141128), (169, 119416), (184, 109681), (236, 85514), (253, 79768), (286, 70564), (299, 67496), (338, 59708), (472, 42757), (506, 39884), (572, 35282), (598, 33748), (649, 31096), (676, 29854), (767, 26312), (1012, 19942), (1144, 17641), (1196, 16874), (1298, 15548), (1352, 14927), (1357, 14872), (1534, 13156), (1859, 10856), (2024, 9971), (2392, 8437), (2596, 7774), (2714, 7436), (3068, 6578), (3289, 6136), (3718, 5428), (3887, 5192)]