19684428

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{40009}}^1$

素因数の和:40057

約数の個数: 24

約数和(自身を含む): 47051760

約数和(自身を除く): 27367332

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 40009, 80018, 120027, 160036, 240054, 480108, 1640369, 3280738, 4921107, 6561476, 9842214, 19684428]

約数ペア:

[(1, 19684428), (2, 9842214), (3, 6561476), (4, 4921107), (6, 3280738), (12, 1640369), (41, 480108), (82, 240054), (123, 160036), (164, 120027), (246, 80018), (492, 40009)]