19920144

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{1861}}^1$

素因数の和:2095

約数の個数: 40

約数和(自身を含む): 51718912

約数和(自身を除く): 31798768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 1861, 2676, 3568, 3722, 5352, 5583, 7444, 10704, 11166, 14888, 22332, 29776, 44664, 89328, 415003, 830006, 1245009, 1660012, 2490018, 3320024, 4980036, 6640048, 9960072, 19920144]

約数ペア:

[(1, 19920144), (2, 9960072), (3, 6640048), (4, 4980036), (6, 3320024), (8, 2490018), (12, 1660012), (16, 1245009), (24, 830006), (48, 415003), (223, 89328), (446, 44664), (669, 29776), (892, 22332), (1338, 14888), (1784, 11166), (1861, 10704), (2676, 7444), (3568, 5583), (3722, 5352)]