20181279990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{658873}}^1$

素因数の和:659904

約数の個数: 32

約数和(自身を含む): 48482584416

約数和(自身を除く): 28301304426

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1021, 2042, 3063, 5105, 6126, 10210, 15315, 30630, 658873, 1317746, 1976619, 3294365, 3953238, 6588730, 9883095, 19766190, 672709333, 1345418666, 2018127999, 3363546665, 4036255998, 6727093330, 10090639995, 20181279990]

約数ペア:

[(1, 20181279990), (2, 10090639995), (3, 6727093330), (5, 4036255998), (6, 3363546665), (10, 2018127999), (15, 1345418666), (30, 672709333), (1021, 19766190), (2042, 9883095), (3063, 6588730), (5105, 3953238), (6126, 3294365), (10210, 1976619), (15315, 1317746), (30630, 658873)]