17820828

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 49048272

約数和(自身を除く): 31227444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 787, 1258, 1332, 1574, 1887, 2361, 2516, 3148, 3774, 4722, 5661, 7083, 7548, 9444, 11322, 13379, 14166, 22644, 26758, 28332, 29119, 40137, 53516, 58238, 80274, 87357, 116476, 120411, 160548, 174714, 240822, 262071, 349428, 481644, 495023, 524142, 990046, 1048284, 1485069, 1980092, 2970138, 4455207, 5940276, 8910414, 17820828]

約数ペア:

[(1, 17820828), (2, 8910414), (3, 5940276), (4, 4455207), (6, 2970138), (9, 1980092), (12, 1485069), (17, 1048284), (18, 990046), (34, 524142), (36, 495023), (37, 481644), (51, 349428), (68, 262071), (74, 240822), (102, 174714), (111, 160548), (148, 120411), (153, 116476), (204, 87357), (222, 80274), (306, 58238), (333, 53516), (444, 40137), (612, 29119), (629, 28332), (666, 26758), (787, 22644), (1258, 14166), (1332, 13379), (1574, 11322), (1887, 9444), (2361, 7548), (2516, 7083), (3148, 5661), (3774, 4722)]