18101080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6199}}^1$

素因数の和:6283

約数の個数: 32

約数和(自身を含む): 41292000

約数和(自身を除く): 23190920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6199, 12398, 24796, 30995, 49592, 61990, 123980, 247960, 452527, 905054, 1810108, 2262635, 3620216, 4525270, 9050540, 18101080]

約数ペア:

[(1, 18101080), (2, 9050540), (4, 4525270), (5, 3620216), (8, 2262635), (10, 1810108), (20, 905054), (40, 452527), (73, 247960), (146, 123980), (292, 61990), (365, 49592), (584, 30995), (730, 24796), (1460, 12398), (2920, 6199)]