19184368

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1663}}^1$

素因数の和:1781

約数の個数: 40

約数和(自身を含む): 42917888

約数和(自身を除く): 23733520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 1663, 2884, 3326, 5768, 6652, 11536, 11641, 13304, 23282, 26608, 46564, 93128, 171289, 186256, 342578, 685156, 1199023, 1370312, 2398046, 2740624, 4796092, 9592184, 19184368]

約数ペア:

[(1, 19184368), (2, 9592184), (4, 4796092), (7, 2740624), (8, 2398046), (14, 1370312), (16, 1199023), (28, 685156), (56, 342578), (103, 186256), (112, 171289), (206, 93128), (412, 46564), (721, 26608), (824, 23282), (1442, 13304), (1648, 11641), (1663, 11536), (2884, 6652), (3326, 5768)]