19307780

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1013}}^1$

素因数の和:1975

約数の個数: 24

約数和(自身を含む): 40628952

約数和(自身を除く): 21321172

約数列:

[1, 2, 4, 5, 10, 20, 953, 1013, 1906, 2026, 3812, 4052, 4765, 5065, 9530, 10130, 19060, 20260, 965389, 1930778, 3861556, 4826945, 9653890, 19307780]

約数ペア:

[(1, 19307780), (2, 9653890), (4, 4826945), (5, 3861556), (10, 1930778), (20, 965389), (953, 20260), (1013, 19060), (1906, 10130), (2026, 9530), (3812, 5065), (4052, 4765)]