19319880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 58449600

約数和(自身を除く): 39129720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1229, 1310, 1572, 1965, 2458, 2620, 3144, 3687, 3930, 4916, 5240, 6145, 7374, 7860, 9832, 12290, 14748, 15720, 18435, 24580, 29496, 36870, 49160, 73740, 147480, 160999, 321998, 482997, 643996, 804995, 965994, 1287992, 1609990, 1931988, 2414985, 3219980, 3863976, 4829970, 6439960, 9659940, 19319880]

約数ペア:

[(1, 19319880), (2, 9659940), (3, 6439960), (4, 4829970), (5, 3863976), (6, 3219980), (8, 2414985), (10, 1931988), (12, 1609990), (15, 1287992), (20, 965994), (24, 804995), (30, 643996), (40, 482997), (60, 321998), (120, 160999), (131, 147480), (262, 73740), (393, 49160), (524, 36870), (655, 29496), (786, 24580), (1048, 18435), (1229, 15720), (1310, 14748), (1572, 12290), (1965, 9832), (2458, 7860), (2620, 7374), (3144, 6145), (3687, 5240), (3930, 4916)]