19962804

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 29066316

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 151, 276, 302, 453, 479, 604, 906, 958, 1437, 1812, 1916, 2874, 3473, 5748, 6946, 10419, 11017, 13892, 20838, 22034, 33051, 41676, 44068, 66102, 72329, 132204, 144658, 216987, 289316, 433974, 867948, 1663567, 3327134, 4990701, 6654268, 9981402, 19962804]

約数ペア:

[(1, 19962804), (2, 9981402), (3, 6654268), (4, 4990701), (6, 3327134), (12, 1663567), (23, 867948), (46, 433974), (69, 289316), (92, 216987), (138, 144658), (151, 132204), (276, 72329), (302, 66102), (453, 44068), (479, 41676), (604, 33051), (906, 22034), (958, 20838), (1437, 13892), (1812, 11017), (1916, 10419), (2874, 6946), (3473, 5748)]