19706784

素因数分解:

$2^5\times 3^1\times {\mathrm{103}}^1\times {\mathrm{1993}}^1$

素因数の和:2109

約数の個数: 48

約数和(自身を含む): 52258752

約数和(自身を除く): 32551968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 103, 206, 309, 412, 618, 824, 1236, 1648, 1993, 2472, 3296, 3986, 4944, 5979, 7972, 9888, 11958, 15944, 23916, 31888, 47832, 63776, 95664, 191328, 205279, 410558, 615837, 821116, 1231674, 1642232, 2463348, 3284464, 4926696, 6568928, 9853392, 19706784]

約数ペア:

[(1, 19706784), (2, 9853392), (3, 6568928), (4, 4926696), (6, 3284464), (8, 2463348), (12, 1642232), (16, 1231674), (24, 821116), (32, 615837), (48, 410558), (96, 205279), (103, 191328), (206, 95664), (309, 63776), (412, 47832), (618, 31888), (824, 23916), (1236, 15944), (1648, 11958), (1993, 9888), (2472, 7972), (3296, 5979), (3986, 4944)]