19902834

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17551}}^1$

素因数の和:17572

約数の個数: 40

約数和(自身を含む): 50971008

約数和(自身を除く): 31068174

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 17551, 35102, 52653, 105306, 122857, 157959, 245714, 315918, 368571, 473877, 737142, 947754, 1105713, 1421631, 2211426, 2843262, 3317139, 6634278, 9951417, 19902834]

約数ペア:

[(1, 19902834), (2, 9951417), (3, 6634278), (6, 3317139), (7, 2843262), (9, 2211426), (14, 1421631), (18, 1105713), (21, 947754), (27, 737142), (42, 473877), (54, 368571), (63, 315918), (81, 245714), (126, 157959), (162, 122857), (189, 105306), (378, 52653), (567, 35102), (1134, 17551)]