18040784

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 36828000

約数和(自身を除く): 18787216

約数列:

[1, 2, 4, 8, 16, 29, 58, 59, 116, 118, 232, 236, 464, 472, 659, 944, 1318, 1711, 2636, 3422, 5272, 6844, 10544, 13688, 19111, 27376, 38222, 38881, 76444, 77762, 152888, 155524, 305776, 311048, 622096, 1127549, 2255098, 4510196, 9020392, 18040784]

約数ペア:

[(1, 18040784), (2, 9020392), (4, 4510196), (8, 2255098), (16, 1127549), (29, 622096), (58, 311048), (59, 305776), (116, 155524), (118, 152888), (232, 77762), (236, 76444), (464, 38881), (472, 38222), (659, 27376), (944, 19111), (1318, 13688), (1711, 10544), (2636, 6844), (3422, 5272)]