20187954100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10625239}}^1$

素因数の和:10625272

約数の個数: 36

約数和(自身を含む): 46113541600

約数和(自身を除く): 25925587500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10625239, 21250478, 42500956, 53126195, 106252390, 201879541, 212504780, 265630975, 403759082, 531261950, 807518164, 1009397705, 1062523900, 2018795410, 4037590820, 5046988525, 10093977050, 20187954100]

約数ペア:

[(1, 20187954100), (2, 10093977050), (4, 5046988525), (5, 4037590820), (10, 2018795410), (19, 1062523900), (20, 1009397705), (25, 807518164), (38, 531261950), (50, 403759082), (76, 265630975), (95, 212504780), (100, 201879541), (190, 106252390), (380, 53126195), (475, 42500956), (950, 21250478), (1900, 10625239)]