18840738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2593}}^1$

素因数の和:2778

約数の個数: 32

約数和(自身を含む): 43330176

約数和(自身を除く): 24489438

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2593, 3633, 5186, 7266, 7779, 15558, 18151, 36302, 54453, 108906, 448589, 897178, 1345767, 2691534, 3140123, 6280246, 9420369, 18840738]

約数ペア:

[(1, 18840738), (2, 9420369), (3, 6280246), (6, 3140123), (7, 2691534), (14, 1345767), (21, 897178), (42, 448589), (173, 108906), (346, 54453), (519, 36302), (1038, 18151), (1211, 15558), (2422, 7779), (2593, 7266), (3633, 5186)]