17919692

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 37665600

約数和(自身を除く): 19745908

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 353, 518, 686, 706, 1036, 1372, 1412, 1813, 2471, 3626, 4942, 7252, 9884, 12691, 13061, 17297, 25382, 26122, 34594, 50764, 52244, 69188, 91427, 121079, 182854, 242158, 365708, 484316, 639989, 1279978, 2559956, 4479923, 8959846, 17919692]

約数ペア:

[(1, 17919692), (2, 8959846), (4, 4479923), (7, 2559956), (14, 1279978), (28, 639989), (37, 484316), (49, 365708), (74, 242158), (98, 182854), (148, 121079), (196, 91427), (259, 69188), (343, 52244), (353, 50764), (518, 34594), (686, 26122), (706, 25382), (1036, 17297), (1372, 13061), (1412, 12691), (1813, 9884), (2471, 7252), (3626, 4942)]