18353220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{613}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 51576000

約数和(自身を除く): 33222780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 613, 998, 1226, 1497, 1839, 1996, 2452, 2495, 2994, 3065, 3678, 4990, 5988, 6130, 7356, 7485, 9195, 9980, 12260, 14970, 18390, 29940, 36780, 305887, 611774, 917661, 1223548, 1529435, 1835322, 3058870, 3670644, 4588305, 6117740, 9176610, 18353220]

約数ペア:

[(1, 18353220), (2, 9176610), (3, 6117740), (4, 4588305), (5, 3670644), (6, 3058870), (10, 1835322), (12, 1529435), (15, 1223548), (20, 917661), (30, 611774), (60, 305887), (499, 36780), (613, 29940), (998, 18390), (1226, 14970), (1497, 12260), (1839, 9980), (1996, 9195), (2452, 7485), (2495, 7356), (2994, 6130), (3065, 5988), (3678, 4990)]