19804530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 29547150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 67, 118, 134, 167, 177, 201, 295, 334, 335, 354, 402, 501, 590, 670, 835, 885, 1002, 1005, 1670, 1770, 2010, 2505, 3953, 5010, 7906, 9853, 11189, 11859, 19706, 19765, 22378, 23718, 29559, 33567, 39530, 49265, 55945, 59118, 59295, 67134, 98530, 111890, 118590, 147795, 167835, 295590, 335670, 660151, 1320302, 1980453, 3300755, 3960906, 6601510, 9902265, 19804530]

約数ペア:

[(1, 19804530), (2, 9902265), (3, 6601510), (5, 3960906), (6, 3300755), (10, 1980453), (15, 1320302), (30, 660151), (59, 335670), (67, 295590), (118, 167835), (134, 147795), (167, 118590), (177, 111890), (201, 98530), (295, 67134), (334, 59295), (335, 59118), (354, 55945), (402, 49265), (501, 39530), (590, 33567), (670, 29559), (835, 23718), (885, 22378), (1002, 19765), (1005, 19706), (1670, 11859), (1770, 11189), (2010, 9853), (2505, 7906), (3953, 5010)]