19640804621

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{33317}}^1$

素因数の和:33449

約数の個数: 24

約数和(自身を含む): 21935505024

約数和(自身を除く): 2294700403

約数列:

[1, 19, 23, 71, 361, 437, 1349, 1633, 8303, 25631, 31027, 33317, 589513, 633023, 766291, 2365507, 12027437, 14559529, 44944633, 54406661, 276631051, 853948027, 1033726559, 19640804621]

約数ペア:

[(1, 19640804621), (19, 1033726559), (23, 853948027), (71, 276631051), (361, 54406661), (437, 44944633), (1349, 14559529), (1633, 12027437), (8303, 2365507), (25631, 766291), (31027, 633023), (33317, 589513)]