19105980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{887}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 34600260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359, 718, 887, 1077, 1436, 1774, 1795, 2154, 2661, 3548, 3590, 4308, 4435, 5322, 5385, 7180, 8870, 10644, 10770, 13305, 17740, 21540, 26610, 53220, 318433, 636866, 955299, 1273732, 1592165, 1910598, 3184330, 3821196, 4776495, 6368660, 9552990, 19105980]

約数ペア:

[(1, 19105980), (2, 9552990), (3, 6368660), (4, 4776495), (5, 3821196), (6, 3184330), (10, 1910598), (12, 1592165), (15, 1273732), (20, 955299), (30, 636866), (60, 318433), (359, 53220), (718, 26610), (887, 21540), (1077, 17740), (1436, 13305), (1774, 10770), (1795, 10644), (2154, 8870), (2661, 7180), (3548, 5385), (3590, 5322), (4308, 4435)]