19391880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161599}}^1$

素因数の和:161613

約数の個数: 32

約数和(自身を含む): 58176000

約数和(自身を除く): 38784120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161599, 323198, 484797, 646396, 807995, 969594, 1292792, 1615990, 1939188, 2423985, 3231980, 3878376, 4847970, 6463960, 9695940, 19391880]

約数ペア:

[(1, 19391880), (2, 9695940), (3, 6463960), (4, 4847970), (5, 3878376), (6, 3231980), (8, 2423985), (10, 1939188), (12, 1615990), (15, 1292792), (20, 969594), (24, 807995), (30, 646396), (40, 484797), (60, 323198), (120, 161599)]