19591260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25117}}^1$

素因数の和:25142

約数の個数: 48

約数和(自身を含む): 59077536

約数和(自身を除く): 39486276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25117, 50234, 75351, 100468, 125585, 150702, 251170, 301404, 326521, 376755, 502340, 653042, 753510, 979563, 1306084, 1507020, 1632605, 1959126, 3265210, 3918252, 4897815, 6530420, 9795630, 19591260]

約数ペア:

[(1, 19591260), (2, 9795630), (3, 6530420), (4, 4897815), (5, 3918252), (6, 3265210), (10, 1959126), (12, 1632605), (13, 1507020), (15, 1306084), (20, 979563), (26, 753510), (30, 653042), (39, 502340), (52, 376755), (60, 326521), (65, 301404), (78, 251170), (130, 150702), (156, 125585), (195, 100468), (260, 75351), (390, 50234), (780, 25117)]