19104712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3559}}^1$

素因数の和:3637

約数の個数: 32

約数和(自身を含む): 39729600

約数和(自身を除く): 20624888

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3559, 5368, 7118, 14236, 28472, 39149, 78298, 156596, 217099, 313192, 434198, 868396, 1736792, 2388089, 4776178, 9552356, 19104712]

約数ペア:

[(1, 19104712), (2, 9552356), (4, 4776178), (8, 2388089), (11, 1736792), (22, 868396), (44, 434198), (61, 313192), (88, 217099), (122, 156596), (244, 78298), (488, 39149), (671, 28472), (1342, 14236), (2684, 7118), (3559, 5368)]