18473880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{153949}}^1$

素因数の和:153963

約数の個数: 32

約数和(自身を含む): 55422000

約数和(自身を除く): 36948120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 153949, 307898, 461847, 615796, 769745, 923694, 1231592, 1539490, 1847388, 2309235, 3078980, 3694776, 4618470, 6157960, 9236940, 18473880]

約数ペア:

[(1, 18473880), (2, 9236940), (3, 6157960), (4, 4618470), (5, 3694776), (6, 3078980), (8, 2309235), (10, 1847388), (12, 1539490), (15, 1231592), (20, 923694), (24, 769745), (30, 615796), (40, 461847), (60, 307898), (120, 153949)]