18177304

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 35568720

約数和(自身を除く): 17391416

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 997, 1994, 2279, 3988, 4558, 7976, 9116, 18232, 42871, 52841, 85742, 105682, 171484, 211364, 342968, 422728, 2272163, 4544326, 9088652, 18177304]

約数ペア:

[(1, 18177304), (2, 9088652), (4, 4544326), (8, 2272163), (43, 422728), (53, 342968), (86, 211364), (106, 171484), (172, 105682), (212, 85742), (344, 52841), (424, 42871), (997, 18232), (1994, 9116), (2279, 7976), (3988, 4558)]