19618977

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11899743

約数列:

[1, 3, 7, 21, 23, 69, 151, 161, 269, 453, 483, 807, 1057, 1883, 3171, 3473, 5649, 6187, 10419, 18561, 24311, 40619, 43309, 72933, 121857, 129927, 284333, 852999, 934237, 2802711, 6539659, 19618977]

約数ペア:

[(1, 19618977), (3, 6539659), (7, 2802711), (21, 934237), (23, 852999), (69, 284333), (151, 129927), (161, 121857), (269, 72933), (453, 43309), (483, 40619), (807, 24311), (1057, 18561), (1883, 10419), (3171, 6187), (3473, 5649)]