19219460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2549}}^1$

素因数の和:2600

約数の個数: 48

約数和(自身を含む): 44982000

約数和(自身を除く): 25762540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2549, 3770, 5098, 7540, 10196, 12745, 25490, 33137, 50980, 66274, 73921, 132548, 147842, 165685, 295684, 331370, 369605, 662740, 739210, 960973, 1478420, 1921946, 3843892, 4804865, 9609730, 19219460]

約数ペア:

[(1, 19219460), (2, 9609730), (4, 4804865), (5, 3843892), (10, 1921946), (13, 1478420), (20, 960973), (26, 739210), (29, 662740), (52, 369605), (58, 331370), (65, 295684), (116, 165685), (130, 147842), (145, 132548), (260, 73921), (290, 66274), (377, 50980), (580, 33137), (754, 25490), (1508, 12745), (1885, 10196), (2549, 7540), (3770, 5098)]