18819654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2749}}^1$

素因数の和:2924

約数の個数: 32

約数和(自身を含む): 43296000

約数和(自身を除く): 24476346

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 2749, 3423, 5498, 6846, 8247, 16494, 19243, 38486, 57729, 115458, 448087, 896174, 1344261, 2688522, 3136609, 6273218, 9409827, 18819654]

約数ペア:

[(1, 18819654), (2, 9409827), (3, 6273218), (6, 3136609), (7, 2688522), (14, 1344261), (21, 896174), (42, 448087), (163, 115458), (326, 57729), (489, 38486), (978, 19243), (1141, 16494), (2282, 8247), (2749, 6846), (3423, 5498)]