18104750

素因数分解:

$2^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 34201440

約数和(自身を除く): 16096690

約数列:

[1, 2, 5, 10, 25, 50, 125, 139, 250, 278, 521, 695, 1042, 1390, 2605, 3475, 5210, 6950, 13025, 17375, 26050, 34750, 65125, 72419, 130250, 144838, 362095, 724190, 1810475, 3620950, 9052375, 18104750]

約数ペア:

[(1, 18104750), (2, 9052375), (5, 3620950), (10, 1810475), (25, 724190), (50, 362095), (125, 144838), (139, 130250), (250, 72419), (278, 65125), (521, 34750), (695, 26050), (1042, 17375), (1390, 13025), (2605, 6950), (3475, 5210)]