18041504

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1453

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 21472096

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1399, 1612, 2798, 3224, 5596, 6448, 11192, 12896, 18187, 22384, 36374, 43369, 44768, 72748, 86738, 145496, 173476, 290992, 346952, 563797, 581984, 693904, 1127594, 1387808, 2255188, 4510376, 9020752, 18041504]

約数ペア:

[(1, 18041504), (2, 9020752), (4, 4510376), (8, 2255188), (13, 1387808), (16, 1127594), (26, 693904), (31, 581984), (32, 563797), (52, 346952), (62, 290992), (104, 173476), (124, 145496), (208, 86738), (248, 72748), (403, 44768), (416, 43369), (496, 36374), (806, 22384), (992, 18187), (1399, 12896), (1612, 11192), (2798, 6448), (3224, 5596)]