19679640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163997}}^1$

素因数の和:164011

約数の個数: 32

約数和(自身を含む): 59039280

約数和(自身を除く): 39359640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163997, 327994, 491991, 655988, 819985, 983982, 1311976, 1639970, 1967964, 2459955, 3279940, 3935928, 4919910, 6559880, 9839820, 19679640]

約数ペア:

[(1, 19679640), (2, 9839820), (3, 6559880), (4, 4919910), (5, 3935928), (6, 3279940), (8, 2459955), (10, 1967964), (12, 1639970), (15, 1311976), (20, 983982), (24, 819985), (30, 655988), (40, 491991), (60, 327994), (120, 163997)]