19525740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25033}}^1$

素因数の和:25058

約数の個数: 48

約数和(自身を含む): 58879968

約数和(自身を除く): 39354228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25033, 50066, 75099, 100132, 125165, 150198, 250330, 300396, 325429, 375495, 500660, 650858, 750990, 976287, 1301716, 1501980, 1627145, 1952574, 3254290, 3905148, 4881435, 6508580, 9762870, 19525740]

約数ペア:

[(1, 19525740), (2, 9762870), (3, 6508580), (4, 4881435), (5, 3905148), (6, 3254290), (10, 1952574), (12, 1627145), (13, 1501980), (15, 1301716), (20, 976287), (26, 750990), (30, 650858), (39, 500660), (52, 375495), (60, 325429), (65, 300396), (78, 250330), (130, 150198), (156, 125165), (195, 100132), (260, 75099), (390, 50066), (780, 25033)]