19854216

素因数分解:

$2^3\times 3^2\times {\mathrm{313}}^1\times {\mathrm{881}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 54004860

約数和(自身を除く): 34150644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 313, 626, 881, 939, 1252, 1762, 1878, 2504, 2643, 2817, 3524, 3756, 5286, 5634, 7048, 7512, 7929, 10572, 11268, 15858, 21144, 22536, 31716, 63432, 275753, 551506, 827259, 1103012, 1654518, 2206024, 2481777, 3309036, 4963554, 6618072, 9927108, 19854216]

約数ペア:

[(1, 19854216), (2, 9927108), (3, 6618072), (4, 4963554), (6, 3309036), (8, 2481777), (9, 2206024), (12, 1654518), (18, 1103012), (24, 827259), (36, 551506), (72, 275753), (313, 63432), (626, 31716), (881, 22536), (939, 21144), (1252, 15858), (1762, 11268), (1878, 10572), (2504, 7929), (2643, 7512), (2817, 7048), (3524, 5634), (3756, 5286)]