18249424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 37542240

約数和(自身を除く): 19292816

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 173, 304, 346, 347, 692, 694, 1384, 1388, 2768, 2776, 3287, 5552, 6574, 6593, 13148, 13186, 26296, 26372, 52592, 52744, 60031, 105488, 120062, 240124, 480248, 960496, 1140589, 2281178, 4562356, 9124712, 18249424]

約数ペア:

[(1, 18249424), (2, 9124712), (4, 4562356), (8, 2281178), (16, 1140589), (19, 960496), (38, 480248), (76, 240124), (152, 120062), (173, 105488), (304, 60031), (346, 52744), (347, 52592), (692, 26372), (694, 26296), (1384, 13186), (1388, 13148), (2768, 6593), (2776, 6574), (3287, 5552)]