19487280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81197}}^1$

素因数の和:81213

約数の個数: 40

約数和(自身を含む): 60411312

約数和(自身を除く): 40924032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81197, 162394, 243591, 324788, 405985, 487182, 649576, 811970, 974364, 1217955, 1299152, 1623940, 1948728, 2435910, 3247880, 3897456, 4871820, 6495760, 9743640, 19487280]

約数ペア:

[(1, 19487280), (2, 9743640), (3, 6495760), (4, 4871820), (5, 3897456), (6, 3247880), (8, 2435910), (10, 1948728), (12, 1623940), (15, 1299152), (16, 1217955), (20, 974364), (24, 811970), (30, 649576), (40, 487182), (48, 405985), (60, 324788), (80, 243591), (120, 162394), (240, 81197)]