19202778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 50123520

約数和(自身を除く): 30920742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1373, 1554, 1998, 2331, 2746, 4119, 4662, 6993, 8238, 9611, 12357, 13986, 19222, 24714, 28833, 37071, 50801, 57666, 74142, 86499, 101602, 152403, 172998, 259497, 304806, 355607, 457209, 518994, 711214, 914418, 1066821, 1371627, 2133642, 2743254, 3200463, 6400926, 9601389, 19202778]

約数ペア:

[(1, 19202778), (2, 9601389), (3, 6400926), (6, 3200463), (7, 2743254), (9, 2133642), (14, 1371627), (18, 1066821), (21, 914418), (27, 711214), (37, 518994), (42, 457209), (54, 355607), (63, 304806), (74, 259497), (111, 172998), (126, 152403), (189, 101602), (222, 86499), (259, 74142), (333, 57666), (378, 50801), (518, 37071), (666, 28833), (777, 24714), (999, 19222), (1373, 13986), (1554, 12357), (1998, 9611), (2331, 8238), (2746, 6993), (4119, 4662)]