19268816

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4001}}^1$

素因数の和:4059

約数の個数: 40

約数和(自身を含む): 43669824

約数和(自身を除く): 24401008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4001, 4816, 8002, 16004, 28007, 32008, 56014, 64016, 112028, 172043, 224056, 344086, 448112, 688172, 1204301, 1376344, 2408602, 2752688, 4817204, 9634408, 19268816]

約数ペア:

[(1, 19268816), (2, 9634408), (4, 4817204), (7, 2752688), (8, 2408602), (14, 1376344), (16, 1204301), (28, 688172), (43, 448112), (56, 344086), (86, 224056), (112, 172043), (172, 112028), (301, 64016), (344, 56014), (602, 32008), (688, 28007), (1204, 16004), (2408, 8002), (4001, 4816)]