19748447660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1\times {\mathrm{11579}}^1$

素因数の和:13250

約数の個数: 48

約数和(自身を含む): 42284138400

約数和(自身を除く): 22535690740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1609, 3218, 6436, 8045, 11579, 16090, 23158, 32180, 46316, 57895, 85277, 115790, 170554, 231580, 341108, 426385, 613687, 852770, 1227374, 1705540, 2454748, 3068435, 6136870, 12273740, 18630611, 37261222, 74522444, 93153055, 186306110, 372612220, 987422383, 1974844766, 3949689532, 4937111915, 9874223830, 19748447660]

約数ペア:

[(1, 19748447660), (2, 9874223830), (4, 4937111915), (5, 3949689532), (10, 1974844766), (20, 987422383), (53, 372612220), (106, 186306110), (212, 93153055), (265, 74522444), (530, 37261222), (1060, 18630611), (1609, 12273740), (3218, 6136870), (6436, 3068435), (8045, 2454748), (11579, 1705540), (16090, 1227374), (23158, 852770), (32180, 613687), (46316, 426385), (57895, 341108), (85277, 231580), (115790, 170554)]