18319264

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 37981440

約数和(自身を除く): 19662176

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 118, 124, 236, 248, 313, 472, 496, 626, 944, 992, 1252, 1829, 1888, 2504, 3658, 5008, 7316, 9703, 10016, 14632, 18467, 19406, 29264, 36934, 38812, 58528, 73868, 77624, 147736, 155248, 295472, 310496, 572477, 590944, 1144954, 2289908, 4579816, 9159632, 18319264]

約数ペア:

[(1, 18319264), (2, 9159632), (4, 4579816), (8, 2289908), (16, 1144954), (31, 590944), (32, 572477), (59, 310496), (62, 295472), (118, 155248), (124, 147736), (236, 77624), (248, 73868), (313, 58528), (472, 38812), (496, 36934), (626, 29264), (944, 19406), (992, 18467), (1252, 14632), (1829, 10016), (1888, 9703), (2504, 7316), (3658, 5008)]