18758168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24787432

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 863, 988, 1144, 1672, 1726, 1976, 2717, 3452, 5434, 6904, 9493, 10868, 11219, 16397, 18986, 21736, 22438, 32794, 37972, 44876, 65588, 75944, 89752, 123409, 131176, 180367, 213161, 246818, 360734, 426322, 493636, 721468, 852644, 987272, 1442936, 1705288, 2344771, 4689542, 9379084, 18758168]

約数ペア:

[(1, 18758168), (2, 9379084), (4, 4689542), (8, 2344771), (11, 1705288), (13, 1442936), (19, 987272), (22, 852644), (26, 721468), (38, 493636), (44, 426322), (52, 360734), (76, 246818), (88, 213161), (104, 180367), (143, 131176), (152, 123409), (209, 89752), (247, 75944), (286, 65588), (418, 44876), (494, 37972), (572, 32794), (836, 22438), (863, 21736), (988, 18986), (1144, 16397), (1672, 11219), (1726, 10868), (1976, 9493), (2717, 6904), (3452, 5434)]