18712995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5749}}^1$

素因数の和:5795

約数の個数: 32

約数和(自身を含む): 35328000

約数和(自身を除く): 16615005

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 5749, 17247, 28745, 40243, 86235, 120729, 178219, 201215, 534657, 603645, 891095, 1247533, 2673285, 3742599, 6237665, 18712995]

約数ペア:

[(1, 18712995), (3, 6237665), (5, 3742599), (7, 2673285), (15, 1247533), (21, 891095), (31, 603645), (35, 534657), (93, 201215), (105, 178219), (155, 120729), (217, 86235), (465, 40243), (651, 28745), (1085, 17247), (3255, 5749)]