18449940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{929}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 51871680

約数和(自身を除く): 33421740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 929, 993, 1324, 1655, 1858, 1986, 2787, 3310, 3716, 3972, 4645, 4965, 5574, 6620, 9290, 9930, 11148, 13935, 18580, 19860, 27870, 55740, 307499, 614998, 922497, 1229996, 1537495, 1844994, 3074990, 3689988, 4612485, 6149980, 9224970, 18449940]

約数ペア:

[(1, 18449940), (2, 9224970), (3, 6149980), (4, 4612485), (5, 3689988), (6, 3074990), (10, 1844994), (12, 1537495), (15, 1229996), (20, 922497), (30, 614998), (60, 307499), (331, 55740), (662, 27870), (929, 19860), (993, 18580), (1324, 13935), (1655, 11148), (1858, 9930), (1986, 9290), (2787, 6620), (3310, 5574), (3716, 4965), (3972, 4645)]