18677095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 24375600

約数和(自身を除く): 5698505

約数列:

[1, 5, 19, 47, 89, 95, 235, 445, 893, 1691, 2209, 4183, 4465, 8455, 11045, 20915, 41971, 79477, 196601, 209855, 397385, 983005, 3735419, 18677095]

約数ペア:

[(1, 18677095), (5, 3735419), (19, 983005), (47, 397385), (89, 209855), (95, 196601), (235, 79477), (445, 41971), (893, 20915), (1691, 11045), (2209, 8455), (4183, 4465)]