19157033885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1\times {\mathrm{3823}}^1$

素因数の和:6809

約数の個数: 32

約数和(自身を含む): 25902858240

約数和(自身を除く): 6745824355

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 2939, 3823, 14695, 19115, 32329, 42053, 91109, 118513, 161645, 210265, 455545, 592565, 1002199, 1303643, 5010995, 6518215, 11235797, 56178985, 123593767, 348309707, 617968835, 1741548535, 3831406777, 19157033885]

約数ペア:

[(1, 19157033885), (5, 3831406777), (11, 1741548535), (31, 617968835), (55, 348309707), (155, 123593767), (341, 56178985), (1705, 11235797), (2939, 6518215), (3823, 5010995), (14695, 1303643), (19115, 1002199), (32329, 592565), (42053, 455545), (91109, 210265), (118513, 161645)]