18251960

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2389}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 41299200

約数和(自身を除く): 23047240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2389, 3820, 4778, 7640, 9556, 11945, 19112, 23890, 47780, 95560, 456299, 912598, 1825196, 2281495, 3650392, 4562990, 9125980, 18251960]

約数ペア:

[(1, 18251960), (2, 9125980), (4, 4562990), (5, 3650392), (8, 2281495), (10, 1825196), (20, 912598), (40, 456299), (191, 95560), (382, 47780), (764, 23890), (955, 19112), (1528, 11945), (1910, 9556), (2389, 7640), (3820, 4778)]