15999804

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{1993}}^1$

素因数の和:2226

約数の個数: 36

約数和(自身を含む): 40645696

約数和(自身を除く): 24645892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 1993, 2007, 2676, 3986, 4014, 5979, 7972, 8028, 11958, 17937, 23916, 35874, 71748, 444439, 888878, 1333317, 1777756, 2666634, 3999951, 5333268, 7999902, 15999804]

約数ペア:

[(1, 15999804), (2, 7999902), (3, 5333268), (4, 3999951), (6, 2666634), (9, 1777756), (12, 1333317), (18, 888878), (36, 444439), (223, 71748), (446, 35874), (669, 23916), (892, 17937), (1338, 11958), (1993, 8028), (2007, 7972), (2676, 5979), (3986, 4014)]