17839840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2593}}^1$

素因数の和:2651

約数の個数: 48

約数和(自身を含む): 43143408

約数和(自身を除く): 25303568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2593, 3440, 5186, 6880, 10372, 12965, 20744, 25930, 41488, 51860, 82976, 103720, 111499, 207440, 222998, 414880, 445996, 557495, 891992, 1114990, 1783984, 2229980, 3567968, 4459960, 8919920, 17839840]

約数ペア:

[(1, 17839840), (2, 8919920), (4, 4459960), (5, 3567968), (8, 2229980), (10, 1783984), (16, 1114990), (20, 891992), (32, 557495), (40, 445996), (43, 414880), (80, 222998), (86, 207440), (160, 111499), (172, 103720), (215, 82976), (344, 51860), (430, 41488), (688, 25930), (860, 20744), (1376, 12965), (1720, 10372), (2593, 6880), (3440, 5186)]