18431896

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^2\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 40626000

約数和(自身を除く): 22194104

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 149, 188, 298, 329, 376, 596, 658, 1043, 1192, 1316, 2086, 2209, 2632, 4172, 4418, 7003, 8344, 8836, 14006, 15463, 17672, 28012, 30926, 49021, 56024, 61852, 98042, 123704, 196084, 329141, 392168, 658282, 1316564, 2303987, 2633128, 4607974, 9215948, 18431896]

約数ペア:

[(1, 18431896), (2, 9215948), (4, 4607974), (7, 2633128), (8, 2303987), (14, 1316564), (28, 658282), (47, 392168), (56, 329141), (94, 196084), (149, 123704), (188, 98042), (298, 61852), (329, 56024), (376, 49021), (596, 30926), (658, 28012), (1043, 17672), (1192, 15463), (1316, 14006), (2086, 8836), (2209, 8344), (2632, 7003), (4172, 4418)]