19866444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{367}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 50201088

約数和(自身を除く): 30334644

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 347, 367, 694, 734, 1041, 1101, 1388, 1468, 2082, 2202, 4164, 4404, 4511, 4771, 9022, 9542, 13533, 14313, 18044, 19084, 27066, 28626, 54132, 57252, 127349, 254698, 382047, 509396, 764094, 1528188, 1655537, 3311074, 4966611, 6622148, 9933222, 19866444]

約数ペア:

[(1, 19866444), (2, 9933222), (3, 6622148), (4, 4966611), (6, 3311074), (12, 1655537), (13, 1528188), (26, 764094), (39, 509396), (52, 382047), (78, 254698), (156, 127349), (347, 57252), (367, 54132), (694, 28626), (734, 27066), (1041, 19084), (1101, 18044), (1388, 14313), (1468, 13533), (2082, 9542), (2202, 9022), (4164, 4771), (4404, 4511)]