18327428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 39231360

約数和(自身を除く): 20903932

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 139, 238, 277, 278, 476, 554, 556, 973, 1108, 1939, 1946, 2363, 3878, 3892, 4709, 4726, 7756, 9418, 9452, 16541, 18836, 32963, 33082, 38503, 65926, 66164, 77006, 131852, 154012, 269521, 539042, 654551, 1078084, 1309102, 2618204, 4581857, 9163714, 18327428]

約数ペア:

[(1, 18327428), (2, 9163714), (4, 4581857), (7, 2618204), (14, 1309102), (17, 1078084), (28, 654551), (34, 539042), (68, 269521), (119, 154012), (139, 131852), (238, 77006), (277, 66164), (278, 65926), (476, 38503), (554, 33082), (556, 32963), (973, 18836), (1108, 16541), (1939, 9452), (1946, 9418), (2363, 7756), (3878, 4726), (3892, 4709)]