19361950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 38502000

約数和(自身を除く): 19140050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 178, 190, 229, 445, 458, 475, 890, 950, 1145, 1691, 2225, 2290, 3382, 4351, 4450, 5725, 8455, 8702, 11450, 16910, 20381, 21755, 40762, 42275, 43510, 84550, 101905, 108775, 203810, 217550, 387239, 509525, 774478, 1019050, 1936195, 3872390, 9680975, 19361950]

約数ペア:

[(1, 19361950), (2, 9680975), (5, 3872390), (10, 1936195), (19, 1019050), (25, 774478), (38, 509525), (50, 387239), (89, 217550), (95, 203810), (178, 108775), (190, 101905), (229, 84550), (445, 43510), (458, 42275), (475, 40762), (890, 21755), (950, 20381), (1145, 16910), (1691, 11450), (2225, 8702), (2290, 8455), (3382, 5725), (4351, 4450)]