19991922

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 41945472

約数和(自身を除く): 21953550

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 317, 457, 634, 914, 951, 1371, 1902, 2742, 7291, 10511, 14582, 21022, 21873, 31533, 43746, 63066, 144869, 289738, 434607, 869214, 3331987, 6663974, 9995961, 19991922]

約数ペア:

[(1, 19991922), (2, 9995961), (3, 6663974), (6, 3331987), (23, 869214), (46, 434607), (69, 289738), (138, 144869), (317, 63066), (457, 43746), (634, 31533), (914, 21873), (951, 21022), (1371, 14582), (1902, 10511), (2742, 7291)]