17972344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 38556000

約数和(自身を除く): 20583656

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 59, 101, 104, 116, 118, 202, 232, 236, 377, 404, 472, 754, 767, 808, 1313, 1508, 1534, 1711, 2626, 2929, 3016, 3068, 3422, 5252, 5858, 5959, 6136, 6844, 10504, 11716, 11918, 13688, 22243, 23432, 23836, 38077, 44486, 47672, 76154, 77467, 88972, 152308, 154934, 172811, 177944, 304616, 309868, 345622, 619736, 691244, 1382488, 2246543, 4493086, 8986172, 17972344]

約数ペア:

[(1, 17972344), (2, 8986172), (4, 4493086), (8, 2246543), (13, 1382488), (26, 691244), (29, 619736), (52, 345622), (58, 309868), (59, 304616), (101, 177944), (104, 172811), (116, 154934), (118, 152308), (202, 88972), (232, 77467), (236, 76154), (377, 47672), (404, 44486), (472, 38077), (754, 23836), (767, 23432), (808, 22243), (1313, 13688), (1508, 11918), (1534, 11716), (1711, 10504), (2626, 6844), (2929, 6136), (3016, 5959), (3068, 5858), (3422, 5252)]