18641328

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{8263}}^1$

素因数の和:8321

約数の個数: 40

約数和(自身を含む): 49187328

約数和(自身を除く): 30546000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 564, 752, 1128, 2256, 8263, 16526, 24789, 33052, 49578, 66104, 99156, 132208, 198312, 388361, 396624, 776722, 1165083, 1553444, 2330166, 3106888, 4660332, 6213776, 9320664, 18641328]

約数ペア:

[(1, 18641328), (2, 9320664), (3, 6213776), (4, 4660332), (6, 3106888), (8, 2330166), (12, 1553444), (16, 1165083), (24, 776722), (47, 396624), (48, 388361), (94, 198312), (141, 132208), (188, 99156), (282, 66104), (376, 49578), (564, 33052), (752, 24789), (1128, 16526), (2256, 8263)]