18270440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6257}}^1$

素因数の和:6341

約数の個数: 32

約数和(自身を含む): 41678280

約数和(自身を除く): 23407840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6257, 12514, 25028, 31285, 50056, 62570, 125140, 250280, 456761, 913522, 1827044, 2283805, 3654088, 4567610, 9135220, 18270440]

約数ペア:

[(1, 18270440), (2, 9135220), (4, 4567610), (5, 3654088), (8, 2283805), (10, 1827044), (20, 913522), (40, 456761), (73, 250280), (146, 125140), (292, 62570), (365, 50056), (584, 31285), (730, 25028), (1460, 12514), (2920, 6257)]