31272518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 51114240

約数和(自身を除く): 19841722

約数列:

[1, 2, 19, 38, 67, 71, 134, 142, 173, 346, 1273, 1349, 2546, 2698, 3287, 4757, 6574, 9514, 11591, 12283, 23182, 24566, 90383, 180766, 220229, 233377, 440458, 466754, 822961, 1645922, 15636259, 31272518]

約数ペア:

[(1, 31272518), (2, 15636259), (19, 1645922), (38, 822961), (67, 466754), (71, 440458), (134, 233377), (142, 220229), (173, 180766), (346, 90383), (1273, 24566), (1349, 23182), (2546, 12283), (2698, 11591), (3287, 9514), (4757, 6574)]