19545306

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 25161510

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 71, 86, 97, 129, 142, 194, 213, 258, 291, 426, 473, 582, 781, 946, 1067, 1419, 1562, 2134, 2343, 2838, 3053, 3201, 4171, 4686, 6106, 6402, 6887, 8342, 9159, 12513, 13774, 18318, 20661, 25026, 33583, 41322, 45881, 67166, 75757, 91762, 100749, 137643, 151514, 201498, 227271, 275286, 296141, 454542, 592282, 888423, 1776846, 3257551, 6515102, 9772653, 19545306]

約数ペア:

[(1, 19545306), (2, 9772653), (3, 6515102), (6, 3257551), (11, 1776846), (22, 888423), (33, 592282), (43, 454542), (66, 296141), (71, 275286), (86, 227271), (97, 201498), (129, 151514), (142, 137643), (194, 100749), (213, 91762), (258, 75757), (291, 67166), (426, 45881), (473, 41322), (582, 33583), (781, 25026), (946, 20661), (1067, 18318), (1419, 13774), (1562, 12513), (2134, 9159), (2343, 8342), (2838, 6887), (3053, 6402), (3201, 6106), (4171, 4686)]