18048555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 19276245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 213, 269, 315, 355, 497, 639, 807, 945, 1065, 1345, 1491, 1883, 1917, 2421, 2485, 3195, 4035, 4473, 5649, 7263, 7455, 9415, 9585, 12105, 13419, 16947, 19099, 22365, 28245, 36315, 50841, 57297, 67095, 84735, 95495, 133693, 171891, 254205, 286485, 401079, 515673, 668465, 859455, 1203237, 2005395, 2578365, 3609711, 6016185, 18048555]

約数ペア:

[(1, 18048555), (3, 6016185), (5, 3609711), (7, 2578365), (9, 2005395), (15, 1203237), (21, 859455), (27, 668465), (35, 515673), (45, 401079), (63, 286485), (71, 254205), (105, 171891), (135, 133693), (189, 95495), (213, 84735), (269, 67095), (315, 57297), (355, 50841), (497, 36315), (639, 28245), (807, 22365), (945, 19099), (1065, 16947), (1345, 13419), (1491, 12105), (1883, 9585), (1917, 9415), (2421, 7455), (2485, 7263), (3195, 5649), (4035, 4473)]