18983384

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 41997600

約数和(自身を除く): 23014216

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 613, 632, 1106, 1226, 2212, 2452, 3871, 4291, 4424, 4904, 7742, 8582, 15484, 17164, 30037, 30968, 34328, 48427, 60074, 96854, 120148, 193708, 240296, 338989, 387416, 677978, 1355956, 2372923, 2711912, 4745846, 9491692, 18983384]

約数ペア:

[(1, 18983384), (2, 9491692), (4, 4745846), (7, 2711912), (8, 2372923), (14, 1355956), (28, 677978), (49, 387416), (56, 338989), (79, 240296), (98, 193708), (158, 120148), (196, 96854), (316, 60074), (392, 48427), (553, 34328), (613, 30968), (632, 30037), (1106, 17164), (1226, 15484), (2212, 8582), (2452, 7742), (3871, 4904), (4291, 4424)]