19399118

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2251}}^1$

素因数の和:2423

約数の個数: 16

約数和(自身を含む): 30266880

約数和(自身を除く): 10867762

約数列:

[1, 2, 31, 62, 139, 278, 2251, 4309, 4502, 8618, 69781, 139562, 312889, 625778, 9699559, 19399118]

約数ペア:

[(1, 19399118), (2, 9699559), (31, 625778), (62, 312889), (139, 139562), (278, 69781), (2251, 8618), (4309, 4502)]