19543328

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2089

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 25473952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2029, 2408, 4058, 4816, 8116, 9632, 14203, 16232, 28406, 32464, 56812, 64928, 87247, 113624, 174494, 227248, 348988, 454496, 610729, 697976, 1221458, 1395952, 2442916, 2791904, 4885832, 9771664, 19543328]

約数ペア:

[(1, 19543328), (2, 9771664), (4, 4885832), (7, 2791904), (8, 2442916), (14, 1395952), (16, 1221458), (28, 697976), (32, 610729), (43, 454496), (56, 348988), (86, 227248), (112, 174494), (172, 113624), (224, 87247), (301, 64928), (344, 56812), (602, 32464), (688, 28406), (1204, 16232), (1376, 14203), (2029, 9632), (2408, 8116), (4058, 4816)]