18728210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 35551872

約数和(自身を除く): 16823662

約数列:

[1, 2, 5, 10, 23, 46, 107, 115, 214, 230, 535, 761, 1070, 1522, 2461, 3805, 4922, 7610, 12305, 17503, 24610, 35006, 81427, 87515, 162854, 175030, 407135, 814270, 1872821, 3745642, 9364105, 18728210]

約数ペア:

[(1, 18728210), (2, 9364105), (5, 3745642), (10, 1872821), (23, 814270), (46, 407135), (107, 175030), (115, 162854), (214, 87515), (230, 81427), (535, 35006), (761, 24610), (1070, 17503), (1522, 12305), (2461, 7610), (3805, 4922)]