18899820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104999}}^1$

素因数の和:105014

約数の個数: 36

約数和(自身を含む): 57330000

約数和(自身を除く): 38430180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104999, 209998, 314997, 419996, 524995, 629994, 944991, 1049990, 1259988, 1574985, 1889982, 2099980, 3149970, 3779964, 4724955, 6299940, 9449910, 18899820]

約数ペア:

[(1, 18899820), (2, 9449910), (3, 6299940), (4, 4724955), (5, 3779964), (6, 3149970), (9, 2099980), (10, 1889982), (12, 1574985), (15, 1259988), (18, 1049990), (20, 944991), (30, 629994), (36, 524995), (45, 419996), (60, 314997), (90, 209998), (180, 104999)]