19880142

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 22213938

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 2029, 3266, 4058, 4899, 6087, 9798, 12174, 46667, 93334, 140001, 144059, 280002, 288118, 432177, 864354, 3313357, 6626714, 9940071, 19880142]

約数ペア:

[(1, 19880142), (2, 9940071), (3, 6626714), (6, 3313357), (23, 864354), (46, 432177), (69, 288118), (71, 280002), (138, 144059), (142, 140001), (213, 93334), (426, 46667), (1633, 12174), (2029, 9798), (3266, 6087), (4058, 4899)]