19954166

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:847

約数の個数: 16

約数和(自身を含む): 30455568

約数和(自身を除く): 10501402

約数列:

[1, 2, 101, 173, 202, 346, 571, 1142, 17473, 34946, 57671, 98783, 115342, 197566, 9977083, 19954166]

約数ペア:

[(1, 19954166), (2, 9977083), (101, 197566), (173, 115342), (202, 98783), (346, 57671), (571, 34946), (1142, 17473)]