19845105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 36461568

約数和(自身を除く): 16616463

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 331, 571, 993, 1655, 1713, 2317, 2855, 3997, 4965, 6951, 8565, 11585, 11991, 19985, 34755, 59955, 189001, 567003, 945005, 1323007, 2835015, 3969021, 6615035, 19845105]

約数ペア:

[(1, 19845105), (3, 6615035), (5, 3969021), (7, 2835015), (15, 1323007), (21, 945005), (35, 567003), (105, 189001), (331, 59955), (571, 34755), (993, 19985), (1655, 11991), (1713, 11585), (2317, 8565), (2855, 6951), (3997, 4965)]