19283900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2441}}^1$

素因数の和:2534

約数の個数: 36

約数和(自身を含む): 42393120

約数和(自身を除く): 23109220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2441, 3950, 4882, 7900, 9764, 12205, 24410, 48820, 61025, 122050, 192839, 244100, 385678, 771356, 964195, 1928390, 3856780, 4820975, 9641950, 19283900]

約数ペア:

[(1, 19283900), (2, 9641950), (4, 4820975), (5, 3856780), (10, 1928390), (20, 964195), (25, 771356), (50, 385678), (79, 244100), (100, 192839), (158, 122050), (316, 61025), (395, 48820), (790, 24410), (1580, 12205), (1975, 9764), (2441, 7900), (3950, 4882)]