18747054

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 42440112

約数和(自身を除く): 23693058

約数列:

[1, 2, 3, 6, 9, 18, 43, 53, 86, 106, 129, 159, 258, 318, 387, 457, 477, 774, 914, 954, 1371, 2279, 2742, 4113, 4558, 6837, 8226, 13674, 19651, 20511, 24221, 39302, 41022, 48442, 58953, 72663, 117906, 145326, 176859, 217989, 353718, 435978, 1041503, 2083006, 3124509, 6249018, 9373527, 18747054]

約数ペア:

[(1, 18747054), (2, 9373527), (3, 6249018), (6, 3124509), (9, 2083006), (18, 1041503), (43, 435978), (53, 353718), (86, 217989), (106, 176859), (129, 145326), (159, 117906), (258, 72663), (318, 58953), (387, 48442), (457, 41022), (477, 39302), (774, 24221), (914, 20511), (954, 19651), (1371, 13674), (2279, 8226), (2742, 6837), (4113, 4558)]