19842970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1103}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 41015808

約数和(自身を除く): 21172838

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1103, 1285, 1799, 2206, 2570, 3598, 5515, 7721, 8995, 11030, 15442, 17990, 38605, 77210, 283471, 566942, 1417355, 1984297, 2834710, 3968594, 9921485, 19842970]

約数ペア:

[(1, 19842970), (2, 9921485), (5, 3968594), (7, 2834710), (10, 1984297), (14, 1417355), (35, 566942), (70, 283471), (257, 77210), (514, 38605), (1103, 17990), (1285, 15442), (1799, 11030), (2206, 8995), (2570, 7721), (3598, 5515)]