20180128

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33191}}^1$

素因数の和:33220

約数の個数: 24

約数和(自身を含む): 41821920

約数和(自身を除く): 21641792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33191, 66382, 132764, 265528, 531056, 630629, 1062112, 1261258, 2522516, 5045032, 10090064, 20180128]

約数ペア:

[(1, 20180128), (2, 10090064), (4, 5045032), (8, 2522516), (16, 1261258), (19, 1062112), (32, 630629), (38, 531056), (76, 265528), (152, 132764), (304, 66382), (608, 33191)]