18906972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4789}}^1$

素因数の和:4850

約数の個数: 48

約数和(自身を含む): 51502080

約数和(自身を除く): 32595108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 4789, 9578, 14367, 19156, 28734, 33523, 57468, 67046, 100569, 134092, 201138, 225083, 402276, 450166, 675249, 900332, 1350498, 1575581, 2700996, 3151162, 4726743, 6302324, 9453486, 18906972]

約数ペア:

[(1, 18906972), (2, 9453486), (3, 6302324), (4, 4726743), (6, 3151162), (7, 2700996), (12, 1575581), (14, 1350498), (21, 900332), (28, 675249), (42, 450166), (47, 402276), (84, 225083), (94, 201138), (141, 134092), (188, 100569), (282, 67046), (329, 57468), (564, 33523), (658, 28734), (987, 19156), (1316, 14367), (1974, 9578), (3948, 4789)]