18986324

素因数分解:

$2^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:792

約数の個数: 36

約数和(自身を含む): 38959956

約数和(自身を除く): 19973632

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 157, 196, 314, 617, 628, 1099, 1234, 2198, 2468, 4319, 4396, 7693, 8638, 15386, 17276, 30233, 30772, 60466, 96869, 120932, 193738, 387476, 678083, 1356166, 2712332, 4746581, 9493162, 18986324]

約数ペア:

[(1, 18986324), (2, 9493162), (4, 4746581), (7, 2712332), (14, 1356166), (28, 678083), (49, 387476), (98, 193738), (157, 120932), (196, 96869), (314, 60466), (617, 30772), (628, 30233), (1099, 17276), (1234, 15386), (2198, 8638), (2468, 7693), (4319, 4396)]