19798912

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1203

約数の個数: 64

約数和(自身を含む): 47491200

約数和(自身を除く): 27692288

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1163, 1216, 2128, 2326, 2432, 4256, 4652, 8141, 8512, 9304, 16282, 17024, 18608, 22097, 32564, 37216, 44194, 65128, 74432, 88388, 130256, 148864, 154679, 176776, 260512, 309358, 353552, 521024, 618716, 707104, 1042048, 1237432, 1414208, 2474864, 2828416, 4949728, 9899456, 19798912]

約数ペア:

[(1, 19798912), (2, 9899456), (4, 4949728), (7, 2828416), (8, 2474864), (14, 1414208), (16, 1237432), (19, 1042048), (28, 707104), (32, 618716), (38, 521024), (56, 353552), (64, 309358), (76, 260512), (112, 176776), (128, 154679), (133, 148864), (152, 130256), (224, 88388), (266, 74432), (304, 65128), (448, 44194), (532, 37216), (608, 32564), (896, 22097), (1064, 18608), (1163, 17024), (1216, 16282), (2128, 9304), (2326, 8512), (2432, 8141), (4256, 4652)]