18828030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2099}}^1$

素因数の和:2145

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 31975170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2099, 2990, 4198, 4485, 6297, 8970, 10495, 12594, 20990, 27287, 31485, 48277, 54574, 62970, 81861, 96554, 136435, 144831, 163722, 241385, 272870, 289662, 409305, 482770, 627601, 724155, 818610, 1255202, 1448310, 1882803, 3138005, 3765606, 6276010, 9414015, 18828030]

約数ペア:

[(1, 18828030), (2, 9414015), (3, 6276010), (5, 3765606), (6, 3138005), (10, 1882803), (13, 1448310), (15, 1255202), (23, 818610), (26, 724155), (30, 627601), (39, 482770), (46, 409305), (65, 289662), (69, 272870), (78, 241385), (115, 163722), (130, 144831), (138, 136435), (195, 96554), (230, 81861), (299, 62970), (345, 54574), (390, 48277), (598, 31485), (690, 27287), (897, 20990), (1495, 12594), (1794, 10495), (2099, 8970), (2990, 6297), (4198, 4485)]