18776968

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1013}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 40397760

約数和(自身を除く): 21620792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 1013, 1324, 2026, 2317, 2648, 4052, 4634, 7091, 8104, 9268, 14182, 18536, 28364, 56728, 335303, 670606, 1341212, 2347121, 2682424, 4694242, 9388484, 18776968]

約数ペア:

[(1, 18776968), (2, 9388484), (4, 4694242), (7, 2682424), (8, 2347121), (14, 1341212), (28, 670606), (56, 335303), (331, 56728), (662, 28364), (1013, 18536), (1324, 14182), (2026, 9268), (2317, 8104), (2648, 7091), (4052, 4634)]