19271655

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 37632000

約数和(自身を除く): 18360345

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 79, 117, 135, 139, 195, 237, 351, 395, 417, 585, 695, 711, 1027, 1185, 1251, 1755, 1807, 2085, 2133, 3081, 3555, 3753, 5135, 5421, 6255, 9035, 9243, 10665, 10981, 15405, 16263, 18765, 27105, 27729, 32943, 46215, 48789, 54905, 81315, 98829, 138645, 142753, 164715, 243945, 296487, 428259, 494145, 713765, 1284777, 1482435, 2141295, 3854331, 6423885, 19271655]

約数ペア:

[(1, 19271655), (3, 6423885), (5, 3854331), (9, 2141295), (13, 1482435), (15, 1284777), (27, 713765), (39, 494145), (45, 428259), (65, 296487), (79, 243945), (117, 164715), (135, 142753), (139, 138645), (195, 98829), (237, 81315), (351, 54905), (395, 48789), (417, 46215), (585, 32943), (695, 27729), (711, 27105), (1027, 18765), (1185, 16263), (1251, 15405), (1755, 10981), (1807, 10665), (2085, 9243), (2133, 9035), (3081, 6255), (3555, 5421), (3753, 5135)]