19495170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{863}}^1$

素因数の和:1127

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 31453182

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 251, 502, 753, 863, 1255, 1506, 1726, 2259, 2510, 2589, 3765, 4315, 4518, 5178, 7530, 7767, 8630, 11295, 12945, 15534, 22590, 25890, 38835, 77670, 216613, 433226, 649839, 1083065, 1299678, 1949517, 2166130, 3249195, 3899034, 6498390, 9747585, 19495170]

約数ペア:

[(1, 19495170), (2, 9747585), (3, 6498390), (5, 3899034), (6, 3249195), (9, 2166130), (10, 1949517), (15, 1299678), (18, 1083065), (30, 649839), (45, 433226), (90, 216613), (251, 77670), (502, 38835), (753, 25890), (863, 22590), (1255, 15534), (1506, 12945), (1726, 11295), (2259, 8630), (2510, 7767), (2589, 7530), (3765, 5178), (4315, 4518)]