18930688

素因数分解:

$2^{10}\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 88

約数和(自身を含む): 45852800

約数和(自身を除く): 26922112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 139, 152, 224, 256, 266, 278, 304, 448, 512, 532, 556, 608, 896, 973, 1024, 1064, 1112, 1216, 1792, 1946, 2128, 2224, 2432, 2641, 3584, 3892, 4256, 4448, 4864, 5282, 7168, 7784, 8512, 8896, 9728, 10564, 15568, 17024, 17792, 18487, 19456, 21128, 31136, 34048, 35584, 36974, 42256, 62272, 68096, 71168, 73948, 84512, 124544, 136192, 142336, 147896, 169024, 249088, 295792, 338048, 498176, 591584, 676096, 996352, 1183168, 1352192, 2366336, 2704384, 4732672, 9465344, 18930688]

約数ペア:

[(1, 18930688), (2, 9465344), (4, 4732672), (7, 2704384), (8, 2366336), (14, 1352192), (16, 1183168), (19, 996352), (28, 676096), (32, 591584), (38, 498176), (56, 338048), (64, 295792), (76, 249088), (112, 169024), (128, 147896), (133, 142336), (139, 136192), (152, 124544), (224, 84512), (256, 73948), (266, 71168), (278, 68096), (304, 62272), (448, 42256), (512, 36974), (532, 35584), (556, 34048), (608, 31136), (896, 21128), (973, 19456), (1024, 18487), (1064, 17792), (1112, 17024), (1216, 15568), (1792, 10564), (1946, 9728), (2128, 8896), (2224, 8512), (2432, 7784), (2641, 7168), (3584, 5282), (3892, 4864), (4256, 4448)]