19913824

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4679}}^1$

素因数の和:4715

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 27260576

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4679, 9358, 18716, 32753, 37432, 65506, 74864, 88901, 131012, 149728, 177802, 262024, 355604, 524048, 622307, 711208, 1048096, 1244614, 1422416, 2489228, 2844832, 4978456, 9956912, 19913824]

約数ペア:

[(1, 19913824), (2, 9956912), (4, 4978456), (7, 2844832), (8, 2489228), (14, 1422416), (16, 1244614), (19, 1048096), (28, 711208), (32, 622307), (38, 524048), (56, 355604), (76, 262024), (112, 177802), (133, 149728), (152, 131012), (224, 88901), (266, 74864), (304, 65506), (532, 37432), (608, 32753), (1064, 18716), (2128, 9358), (4256, 4679)]