19493012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3372

約数の個数: 48

約数和(自身を含む): 44782080

約数和(自身を除く): 25289068

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3331, 5852, 6662, 13324, 23317, 36641, 46634, 63289, 73282, 93268, 126578, 146564, 253156, 256487, 443023, 512974, 696179, 886046, 1025948, 1392358, 1772092, 2784716, 4873253, 9746506, 19493012]

約数ペア:

[(1, 19493012), (2, 9746506), (4, 4873253), (7, 2784716), (11, 1772092), (14, 1392358), (19, 1025948), (22, 886046), (28, 696179), (38, 512974), (44, 443023), (76, 256487), (77, 253156), (133, 146564), (154, 126578), (209, 93268), (266, 73282), (308, 63289), (418, 46634), (532, 36641), (836, 23317), (1463, 13324), (2926, 6662), (3331, 5852)]