19442390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 41663808

約数和(自身を除く): 22221418

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 37, 55, 74, 85, 110, 170, 185, 187, 281, 370, 374, 407, 562, 629, 814, 935, 1258, 1405, 1870, 2035, 2810, 3091, 3145, 4070, 4777, 6182, 6290, 6919, 9554, 10397, 13838, 15455, 20794, 23885, 30910, 34595, 47770, 51985, 52547, 69190, 103970, 105094, 114367, 176749, 228734, 262735, 353498, 525470, 571835, 883745, 1143670, 1767490, 1944239, 3888478, 9721195, 19442390]

約数ペア:

[(1, 19442390), (2, 9721195), (5, 3888478), (10, 1944239), (11, 1767490), (17, 1143670), (22, 883745), (34, 571835), (37, 525470), (55, 353498), (74, 262735), (85, 228734), (110, 176749), (170, 114367), (185, 105094), (187, 103970), (281, 69190), (370, 52547), (374, 51985), (407, 47770), (562, 34595), (629, 30910), (814, 23885), (935, 20794), (1258, 15455), (1405, 13838), (1870, 10397), (2035, 9554), (2810, 6919), (3091, 6290), (3145, 6182), (4070, 4777)]