18638772

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{81749}}^1$

素因数の和:81775

約数の個数: 24

約数和(自身を含む): 45780000

約数和(自身を除く): 27141228

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 81749, 163498, 245247, 326996, 490494, 980988, 1553231, 3106462, 4659693, 6212924, 9319386, 18638772]

約数ペア:

[(1, 18638772), (2, 9319386), (3, 6212924), (4, 4659693), (6, 3106462), (12, 1553231), (19, 980988), (38, 490494), (57, 326996), (76, 245247), (114, 163498), (228, 81749)]