19972148

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9029}}^1$

素因数の和:9119

約数の個数: 24

約数和(自身を含む): 40454400

約数和(自身を除く): 20482252

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9029, 18058, 36116, 63203, 126406, 252812, 713291, 1426582, 2853164, 4993037, 9986074, 19972148]

約数ペア:

[(1, 19972148), (2, 9986074), (4, 4993037), (7, 2853164), (14, 1426582), (28, 713291), (79, 252812), (158, 126406), (316, 63203), (553, 36116), (1106, 18058), (2212, 9029)]