18541744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 39129440

約数和(自身を除く): 20587696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 919, 1261, 1552, 1838, 2522, 3676, 5044, 7352, 10088, 11947, 14704, 20176, 23894, 47788, 89143, 95576, 178286, 191152, 356572, 713144, 1158859, 1426288, 2317718, 4635436, 9270872, 18541744]

約数ペア:

[(1, 18541744), (2, 9270872), (4, 4635436), (8, 2317718), (13, 1426288), (16, 1158859), (26, 713144), (52, 356572), (97, 191152), (104, 178286), (194, 95576), (208, 89143), (388, 47788), (776, 23894), (919, 20176), (1261, 14704), (1552, 11947), (1838, 10088), (2522, 7352), (3676, 5044)]