19188631

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 25754112

約数和(自身を除く): 6565481

約数列:

[1, 7, 11, 17, 77, 107, 119, 137, 187, 749, 959, 1177, 1309, 1507, 1819, 2329, 8239, 10549, 12733, 14659, 16303, 20009, 25619, 102613, 140063, 161249, 179333, 249203, 1128743, 1744421, 2741233, 19188631]

約数ペア:

[(1, 19188631), (7, 2741233), (11, 1744421), (17, 1128743), (77, 249203), (107, 179333), (119, 161249), (137, 140063), (187, 102613), (749, 25619), (959, 20009), (1177, 16303), (1309, 14659), (1507, 12733), (1819, 10549), (2329, 8239)]