19718295

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 34003200

約数和(自身を除く): 14284905

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1609, 2451, 4085, 4827, 8045, 12255, 24135, 30571, 69187, 91713, 152855, 207561, 345935, 458565, 1037805, 1314553, 3943659, 6572765, 19718295]

約数ペア:

[(1, 19718295), (3, 6572765), (5, 3943659), (15, 1314553), (19, 1037805), (43, 458565), (57, 345935), (95, 207561), (129, 152855), (215, 91713), (285, 69187), (645, 30571), (817, 24135), (1609, 12255), (2451, 8045), (4085, 4827)]