19390920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161591}}^1$

素因数の和:161605

約数の個数: 32

約数和(自身を含む): 58173120

約数和(自身を除く): 38782200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161591, 323182, 484773, 646364, 807955, 969546, 1292728, 1615910, 1939092, 2423865, 3231820, 3878184, 4847730, 6463640, 9695460, 19390920]

約数ペア:

[(1, 19390920), (2, 9695460), (3, 6463640), (4, 4847730), (5, 3878184), (6, 3231820), (8, 2423865), (10, 1939092), (12, 1615910), (15, 1292728), (20, 969546), (24, 807955), (30, 646364), (40, 484773), (60, 323182), (120, 161591)]