18257300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 41815032

約数和(自身を除く): 23557732

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 61, 73, 82, 100, 122, 146, 164, 205, 244, 292, 305, 365, 410, 610, 730, 820, 1025, 1220, 1460, 1525, 1825, 2050, 2501, 2993, 3050, 3650, 4100, 4453, 5002, 5986, 6100, 7300, 8906, 10004, 11972, 12505, 14965, 17812, 22265, 25010, 29930, 44530, 50020, 59860, 62525, 74825, 89060, 111325, 125050, 149650, 182573, 222650, 250100, 299300, 365146, 445300, 730292, 912865, 1825730, 3651460, 4564325, 9128650, 18257300]

約数ペア:

[(1, 18257300), (2, 9128650), (4, 4564325), (5, 3651460), (10, 1825730), (20, 912865), (25, 730292), (41, 445300), (50, 365146), (61, 299300), (73, 250100), (82, 222650), (100, 182573), (122, 149650), (146, 125050), (164, 111325), (205, 89060), (244, 74825), (292, 62525), (305, 59860), (365, 50020), (410, 44530), (610, 29930), (730, 25010), (820, 22265), (1025, 17812), (1220, 14965), (1460, 12505), (1525, 11972), (1825, 10004), (2050, 8906), (2501, 7300), (2993, 6100), (3050, 5986), (3650, 5002), (4100, 4453)]