18937992

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 49121280

約数和(自身を除く): 30183288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 103, 141, 163, 188, 206, 282, 309, 326, 376, 412, 489, 564, 618, 652, 824, 978, 1128, 1236, 1304, 1956, 2472, 3912, 4841, 7661, 9682, 14523, 15322, 16789, 19364, 22983, 29046, 30644, 33578, 38728, 45966, 50367, 58092, 61288, 67156, 91932, 100734, 116184, 134312, 183864, 201468, 402936, 789083, 1578166, 2367249, 3156332, 4734498, 6312664, 9468996, 18937992]

約数ペア:

[(1, 18937992), (2, 9468996), (3, 6312664), (4, 4734498), (6, 3156332), (8, 2367249), (12, 1578166), (24, 789083), (47, 402936), (94, 201468), (103, 183864), (141, 134312), (163, 116184), (188, 100734), (206, 91932), (282, 67156), (309, 61288), (326, 58092), (376, 50367), (412, 45966), (489, 38728), (564, 33578), (618, 30644), (652, 29046), (824, 22983), (978, 19364), (1128, 16789), (1236, 15322), (1304, 14523), (1956, 9682), (2472, 7661), (3912, 4841)]