19866148

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 35731584

約数和(自身を除く): 15865436

約数列:

[1, 2, 4, 47, 94, 188, 251, 421, 502, 842, 1004, 1684, 11797, 19787, 23594, 39574, 47188, 79148, 105671, 211342, 422684, 4966537, 9933074, 19866148]

約数ペア:

[(1, 19866148), (2, 9933074), (4, 4966537), (47, 422684), (94, 211342), (188, 105671), (251, 79148), (421, 47188), (502, 39574), (842, 23594), (1004, 19787), (1684, 11797)]