19841488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 40156160

約数和(自身を除く): 20314672

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 248, 367, 436, 496, 734, 872, 1468, 1744, 2936, 3379, 5872, 6758, 11377, 13516, 22754, 27032, 40003, 45508, 54064, 80006, 91016, 160012, 182032, 320024, 640048, 1240093, 2480186, 4960372, 9920744, 19841488]

約数ペア:

[(1, 19841488), (2, 9920744), (4, 4960372), (8, 2480186), (16, 1240093), (31, 640048), (62, 320024), (109, 182032), (124, 160012), (218, 91016), (248, 80006), (367, 54064), (436, 45508), (496, 40003), (734, 27032), (872, 22754), (1468, 13516), (1744, 11377), (2936, 6758), (3379, 5872)]