31881582

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 73766160

約数和(自身を除く): 41884578

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 1277, 1314, 1387, 2554, 2774, 3831, 4161, 7662, 8322, 11493, 12483, 22986, 24263, 24966, 48526, 72789, 93221, 145578, 186442, 218367, 279663, 436734, 559326, 838989, 1677978, 1771199, 3542398, 5313597, 10627194, 15940791, 31881582]

約数ペア:

[(1, 31881582), (2, 15940791), (3, 10627194), (6, 5313597), (9, 3542398), (18, 1771199), (19, 1677978), (38, 838989), (57, 559326), (73, 436734), (114, 279663), (146, 218367), (171, 186442), (219, 145578), (342, 93221), (438, 72789), (657, 48526), (1277, 24966), (1314, 24263), (1387, 22986), (2554, 12483), (2774, 11493), (3831, 8322), (4161, 7662)]