19819408

素因数分解:

$2^4\times 7^1\times {\mathrm{311}}^1\times {\mathrm{569}}^1$

素因数の和:895

約数の個数: 40

約数和(自身を含む): 44104320

約数和(自身を除く): 24284912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 311, 569, 622, 1138, 1244, 2177, 2276, 2488, 3983, 4354, 4552, 4976, 7966, 8708, 9104, 15932, 17416, 31864, 34832, 63728, 176959, 353918, 707836, 1238713, 1415672, 2477426, 2831344, 4954852, 9909704, 19819408]

約数ペア:

[(1, 19819408), (2, 9909704), (4, 4954852), (7, 2831344), (8, 2477426), (14, 1415672), (16, 1238713), (28, 707836), (56, 353918), (112, 176959), (311, 63728), (569, 34832), (622, 31864), (1138, 17416), (1244, 15932), (2177, 9104), (2276, 8708), (2488, 7966), (3983, 4976), (4354, 4552)]