19790200

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1867}}^1$

素因数の和:1936

約数の個数: 48

約数和(自身を含む): 46905480

約数和(自身を除く): 27115280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1867, 2120, 2650, 3734, 5300, 7468, 9335, 10600, 14936, 18670, 37340, 46675, 74680, 93350, 98951, 186700, 197902, 373400, 395804, 494755, 791608, 989510, 1979020, 2473775, 3958040, 4947550, 9895100, 19790200]

約数ペア:

[(1, 19790200), (2, 9895100), (4, 4947550), (5, 3958040), (8, 2473775), (10, 1979020), (20, 989510), (25, 791608), (40, 494755), (50, 395804), (53, 373400), (100, 197902), (106, 186700), (200, 98951), (212, 93350), (265, 74680), (424, 46675), (530, 37340), (1060, 18670), (1325, 14936), (1867, 10600), (2120, 9335), (2650, 7468), (3734, 5300)]