19670895

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 35942400

約数和(自身を除く): 16271505

約数列:

[1, 3, 5, 9, 15, 31, 45, 59, 93, 155, 177, 239, 279, 295, 465, 531, 717, 885, 1195, 1395, 1829, 2151, 2655, 3585, 5487, 7409, 9145, 10755, 14101, 16461, 22227, 27435, 37045, 42303, 66681, 70505, 82305, 111135, 126909, 211515, 333405, 437131, 634545, 1311393, 2185655, 3934179, 6556965, 19670895]

約数ペア:

[(1, 19670895), (3, 6556965), (5, 3934179), (9, 2185655), (15, 1311393), (31, 634545), (45, 437131), (59, 333405), (93, 211515), (155, 126909), (177, 111135), (239, 82305), (279, 70505), (295, 66681), (465, 42303), (531, 37045), (717, 27435), (885, 22227), (1195, 16461), (1395, 14101), (1829, 10755), (2151, 9145), (2655, 7409), (3585, 5487)]