17972864

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1577

約数の個数: 64

約数和(自身を含む): 44096640

約数和(自身を除く): 26123776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1543, 1664, 2912, 3086, 5824, 6172, 10801, 11648, 12344, 20059, 21602, 24688, 40118, 43204, 49376, 80236, 86408, 98752, 140413, 160472, 172816, 197504, 280826, 320944, 345632, 561652, 641888, 691264, 1123304, 1283776, 1382528, 2246608, 2567552, 4493216, 8986432, 17972864]

約数ペア:

[(1, 17972864), (2, 8986432), (4, 4493216), (7, 2567552), (8, 2246608), (13, 1382528), (14, 1283776), (16, 1123304), (26, 691264), (28, 641888), (32, 561652), (52, 345632), (56, 320944), (64, 280826), (91, 197504), (104, 172816), (112, 160472), (128, 140413), (182, 98752), (208, 86408), (224, 80236), (364, 49376), (416, 43204), (448, 40118), (728, 24688), (832, 21602), (896, 20059), (1456, 12344), (1543, 11648), (1664, 10801), (2912, 6172), (3086, 5824)]