19626390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31153}}^1$

素因数の和:31173

約数の個数: 48

約数和(自身を含む): 58320288

約数和(自身を除く): 38693898

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31153, 62306, 93459, 155765, 186918, 218071, 280377, 311530, 436142, 467295, 560754, 654213, 934590, 1090355, 1308426, 1401885, 1962639, 2180710, 2803770, 3271065, 3925278, 6542130, 9813195, 19626390]

約数ペア:

[(1, 19626390), (2, 9813195), (3, 6542130), (5, 3925278), (6, 3271065), (7, 2803770), (9, 2180710), (10, 1962639), (14, 1401885), (15, 1308426), (18, 1090355), (21, 934590), (30, 654213), (35, 560754), (42, 467295), (45, 436142), (63, 311530), (70, 280377), (90, 218071), (105, 186918), (126, 155765), (210, 93459), (315, 62306), (630, 31153)]