19805962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 33882624

約数和(自身を除く): 14076662

約数列:

[1, 2, 11, 22, 31, 62, 113, 226, 257, 341, 514, 682, 1243, 2486, 2827, 3503, 5654, 7006, 7967, 15934, 29041, 38533, 58082, 77066, 87637, 175274, 319451, 638902, 900271, 1800542, 9902981, 19805962]

約数ペア:

[(1, 19805962), (2, 9902981), (11, 1800542), (22, 900271), (31, 638902), (62, 319451), (113, 175274), (226, 87637), (257, 77066), (341, 58082), (514, 38533), (682, 29041), (1243, 15934), (2486, 7967), (2827, 7006), (3503, 5654)]