19339090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 37117440

約数和(自身を除く): 17778350

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1789, 2162, 3578, 5405, 8945, 10810, 17890, 41147, 82294, 84083, 168166, 205735, 411470, 420415, 840830, 1933909, 3867818, 9669545, 19339090]

約数ペア:

[(1, 19339090), (2, 9669545), (5, 3867818), (10, 1933909), (23, 840830), (46, 420415), (47, 411470), (94, 205735), (115, 168166), (230, 84083), (235, 82294), (470, 41147), (1081, 17890), (1789, 10810), (2162, 8945), (3578, 5405)]