2128912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 4464000

約数和(自身を除く): 2335088

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 149, 152, 188, 298, 304, 376, 596, 752, 893, 1192, 1786, 2384, 2831, 3572, 5662, 7003, 7144, 11324, 14006, 14288, 22648, 28012, 45296, 56024, 112048, 133057, 266114, 532228, 1064456, 2128912]

約数ペア:

[(1, 2128912), (2, 1064456), (4, 532228), (8, 266114), (16, 133057), (19, 112048), (38, 56024), (47, 45296), (76, 28012), (94, 22648), (149, 14288), (152, 14006), (188, 11324), (298, 7144), (304, 7003), (376, 5662), (596, 3572), (752, 2831), (893, 2384), (1192, 1786)]