19768920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1091}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 39985320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1091, 1208, 1510, 1812, 2182, 2265, 3020, 3273, 3624, 4364, 4530, 5455, 6040, 6546, 8728, 9060, 10910, 13092, 16365, 18120, 21820, 26184, 32730, 43640, 65460, 130920, 164741, 329482, 494223, 658964, 823705, 988446, 1317928, 1647410, 1976892, 2471115, 3294820, 3953784, 4942230, 6589640, 9884460, 19768920]

約数ペア:

[(1, 19768920), (2, 9884460), (3, 6589640), (4, 4942230), (5, 3953784), (6, 3294820), (8, 2471115), (10, 1976892), (12, 1647410), (15, 1317928), (20, 988446), (24, 823705), (30, 658964), (40, 494223), (60, 329482), (120, 164741), (151, 130920), (302, 65460), (453, 43640), (604, 32730), (755, 26184), (906, 21820), (1091, 18120), (1208, 16365), (1510, 13092), (1812, 10910), (2182, 9060), (2265, 8728), (3020, 6546), (3273, 6040), (3624, 5455), (4364, 4530)]