19888812

素因数分解:

$2^2\times 3^2\times {\mathrm{349}}^1\times {\mathrm{1583}}^1$

素因数の和:1942

約数の個数: 36

約数和(自身を含む): 50450400

約数和(自身を除く): 30561588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 349, 698, 1047, 1396, 1583, 2094, 3141, 3166, 4188, 4749, 6282, 6332, 9498, 12564, 14247, 18996, 28494, 56988, 552467, 1104934, 1657401, 2209868, 3314802, 4972203, 6629604, 9944406, 19888812]

約数ペア:

[(1, 19888812), (2, 9944406), (3, 6629604), (4, 4972203), (6, 3314802), (9, 2209868), (12, 1657401), (18, 1104934), (36, 552467), (349, 56988), (698, 28494), (1047, 18996), (1396, 14247), (1583, 12564), (2094, 9498), (3141, 6332), (3166, 6282), (4188, 4749)]