19299940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 45428544

約数和(自身を除く): 26128604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 2371, 4070, 4742, 8140, 9484, 11855, 23710, 26081, 47420, 52162, 87727, 104324, 130405, 175454, 260810, 350908, 438635, 521620, 877270, 964997, 1754540, 1929994, 3859988, 4824985, 9649970, 19299940]

約数ペア:

[(1, 19299940), (2, 9649970), (4, 4824985), (5, 3859988), (10, 1929994), (11, 1754540), (20, 964997), (22, 877270), (37, 521620), (44, 438635), (55, 350908), (74, 260810), (110, 175454), (148, 130405), (185, 104324), (220, 87727), (370, 52162), (407, 47420), (740, 26081), (814, 23710), (1628, 11855), (2035, 9484), (2371, 8140), (4070, 4742)]