19104618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7901}}^1$

素因数の和:7950

約数の個数: 32

約数和(自身を含む): 42481152

約数和(自身を除く): 23376534

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 7901, 15802, 23703, 47406, 102713, 205426, 244931, 308139, 489862, 616278, 734793, 1469586, 3184103, 6368206, 9552309, 19104618]

約数ペア:

[(1, 19104618), (2, 9552309), (3, 6368206), (6, 3184103), (13, 1469586), (26, 734793), (31, 616278), (39, 489862), (62, 308139), (78, 244931), (93, 205426), (186, 102713), (403, 47406), (806, 23703), (1209, 15802), (2418, 7901)]