19970291106

素因数分解:

$2^1\times 3^2\times {\mathrm{691}}^1\times {\mathrm{1605587}}^1$

素因数の和:1606286

約数の個数: 24

約数和(自身を含む): 43331608944

約数和(自身を除く): 23361317838

約数列:

[1, 2, 3, 6, 9, 18, 691, 1382, 2073, 4146, 6219, 12438, 1605587, 3211174, 4816761, 9633522, 14450283, 28900566, 1109460617, 2218921234, 3328381851, 6656763702, 9985145553, 19970291106]

約数ペア:

[(1, 19970291106), (2, 9985145553), (3, 6656763702), (6, 3328381851), (9, 2218921234), (18, 1109460617), (691, 28900566), (1382, 14450283), (2073, 9633522), (4146, 4816761), (6219, 3211174), (12438, 1605587)]