19163902

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 29261232

約数和(自身を除く): 10097330

約数列:

[1, 2, 97, 173, 194, 346, 571, 1142, 16781, 33562, 55387, 98783, 110774, 197566, 9581951, 19163902]

約数ペア:

[(1, 19163902), (2, 9581951), (97, 197566), (173, 110774), (194, 98783), (346, 55387), (571, 33562), (1142, 16781)]