19171113

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 28879872

約数和(自身を除く): 9708759

約数列:

[1, 3, 13, 31, 39, 93, 101, 157, 303, 403, 471, 1209, 1313, 2041, 3131, 3939, 4867, 6123, 9393, 14601, 15857, 40703, 47571, 63271, 122109, 189813, 206141, 491567, 618423, 1474701, 6390371, 19171113]

約数ペア:

[(1, 19171113), (3, 6390371), (13, 1474701), (31, 618423), (39, 491567), (93, 206141), (101, 189813), (157, 122109), (303, 63271), (403, 47571), (471, 40703), (1209, 15857), (1313, 14601), (2041, 9393), (3131, 6123), (3939, 4867)]