19081060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 22722716

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 383, 470, 530, 766, 940, 1060, 1532, 1915, 2491, 3830, 4982, 7660, 9964, 12455, 18001, 20299, 24910, 36002, 40598, 49820, 72004, 81196, 90005, 101495, 180010, 202990, 360020, 405980, 954053, 1908106, 3816212, 4770265, 9540530, 19081060]

約数ペア:

[(1, 19081060), (2, 9540530), (4, 4770265), (5, 3816212), (10, 1908106), (20, 954053), (47, 405980), (53, 360020), (94, 202990), (106, 180010), (188, 101495), (212, 90005), (235, 81196), (265, 72004), (383, 49820), (470, 40598), (530, 36002), (766, 24910), (940, 20299), (1060, 18001), (1532, 12455), (1915, 9964), (2491, 7660), (3830, 4982)]