19091440

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1429}}^1$

素因数の和:1609

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 25593200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1429, 1670, 2672, 2858, 3340, 5716, 6680, 7145, 11432, 13360, 14290, 22864, 28580, 57160, 114320, 238643, 477286, 954572, 1193215, 1909144, 2386430, 3818288, 4772860, 9545720, 19091440]

約数ペア:

[(1, 19091440), (2, 9545720), (4, 4772860), (5, 3818288), (8, 2386430), (10, 1909144), (16, 1193215), (20, 954572), (40, 477286), (80, 238643), (167, 114320), (334, 57160), (668, 28580), (835, 22864), (1336, 14290), (1429, 13360), (1670, 11432), (2672, 7145), (2858, 6680), (3340, 5716)]