20180351883

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{9403}}^1$

素因数の和:9975

約数の個数: 32

約数和(自身を含む): 28426862592

約数和(自身を除く): 8246510709

約数列:

[1, 3, 31, 47, 93, 141, 491, 1457, 1473, 4371, 9403, 15221, 23077, 28209, 45663, 69231, 291493, 441941, 715387, 874479, 1325823, 2146161, 4616873, 13700171, 13850619, 41100513, 143123063, 216993031, 429369189, 650979093, 6726783961, 20180351883]

約数ペア:

[(1, 20180351883), (3, 6726783961), (31, 650979093), (47, 429369189), (93, 216993031), (141, 143123063), (491, 41100513), (1457, 13850619), (1473, 13700171), (4371, 4616873), (9403, 2146161), (15221, 1325823), (23077, 874479), (28209, 715387), (45663, 441941), (69231, 291493)]