18842360

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{761}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 42519600

約数和(自身を除く): 23677240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 761, 1238, 1522, 2476, 3044, 3095, 3805, 4952, 6088, 6190, 7610, 12380, 15220, 24760, 30440, 471059, 942118, 1884236, 2355295, 3768472, 4710590, 9421180, 18842360]

約数ペア:

[(1, 18842360), (2, 9421180), (4, 4710590), (5, 3768472), (8, 2355295), (10, 1884236), (20, 942118), (40, 471059), (619, 30440), (761, 24760), (1238, 15220), (1522, 12380), (2476, 7610), (3044, 6190), (3095, 6088), (3805, 4952)]