18694944

素因数分解:

$2^5\times 3^2\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:622

約数の個数: 72

約数和(自身を含む): 53660880

約数和(自身を除く): 34965936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 139, 144, 278, 288, 417, 467, 556, 834, 934, 1112, 1251, 1401, 1668, 1868, 2224, 2502, 2802, 3336, 3736, 4203, 4448, 5004, 5604, 6672, 7472, 8406, 10008, 11208, 13344, 14944, 16812, 20016, 22416, 33624, 40032, 44832, 64913, 67248, 129826, 134496, 194739, 259652, 389478, 519304, 584217, 778956, 1038608, 1168434, 1557912, 2077216, 2336868, 3115824, 4673736, 6231648, 9347472, 18694944]

約数ペア:

[(1, 18694944), (2, 9347472), (3, 6231648), (4, 4673736), (6, 3115824), (8, 2336868), (9, 2077216), (12, 1557912), (16, 1168434), (18, 1038608), (24, 778956), (32, 584217), (36, 519304), (48, 389478), (72, 259652), (96, 194739), (139, 134496), (144, 129826), (278, 67248), (288, 64913), (417, 44832), (467, 40032), (556, 33624), (834, 22416), (934, 20016), (1112, 16812), (1251, 14944), (1401, 13344), (1668, 11208), (1868, 10008), (2224, 8406), (2502, 7472), (2802, 6672), (3336, 5604), (3736, 5004), (4203, 4448)]