19996830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31741}}^1$

素因数の和:31761

約数の個数: 48

約数和(自身を含む): 59421024

約数和(自身を除く): 39424194

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, 31741, 63482, 95223, 158705, 190446, 222187, 285669, 317410, 444374, 476115, 571338, 666561, 952230, 1110935, 1333122, 1428345, 1999683, 2221870, 2856690, 3332805, 3999366, 6665610, 9998415, 19996830]

約数ペア:

[(1, 19996830), (2, 9998415), (3, 6665610), (5, 3999366), (6, 3332805), (7, 2856690), (9, 2221870), (10, 1999683), (14, 1428345), (15, 1333122), (18, 1110935), (21, 952230), (30, 666561), (35, 571338), (42, 476115), (45, 444374), (63, 317410), (70, 285669), (90, 222187), (105, 190446), (126, 158705), (210, 95223), (315, 63482), (630, 31741)]