1388471018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{11821}}^1$

素因数の和:12134

約数の個数: 32

約数和(自身を含む): 2400338880

約数和(自身を除く): 1011867862

約数列:

[1, 2, 11, 19, 22, 38, 209, 281, 418, 562, 3091, 5339, 6182, 10678, 11821, 23642, 58729, 117458, 130031, 224599, 260062, 449198, 2470589, 3321701, 4941178, 6643402, 36538711, 63112319, 73077422, 126224638, 694235509, 1388471018]

約数ペア:

[(1, 1388471018), (2, 694235509), (11, 126224638), (19, 73077422), (22, 63112319), (38, 36538711), (209, 6643402), (281, 4941178), (418, 3321701), (562, 2470589), (3091, 449198), (5339, 260062), (6182, 224599), (10678, 130031), (11821, 117458), (23642, 58729)]