19212256

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 24333344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 431, 796, 862, 1393, 1592, 1724, 2786, 3017, 3184, 3448, 5572, 6034, 6368, 6896, 11144, 12068, 13792, 22288, 24136, 44576, 48272, 85769, 96544, 171538, 343076, 600383, 686152, 1200766, 1372304, 2401532, 2744608, 4803064, 9606128, 19212256]

約数ペア:

[(1, 19212256), (2, 9606128), (4, 4803064), (7, 2744608), (8, 2401532), (14, 1372304), (16, 1200766), (28, 686152), (32, 600383), (56, 343076), (112, 171538), (199, 96544), (224, 85769), (398, 48272), (431, 44576), (796, 24136), (862, 22288), (1393, 13792), (1592, 12068), (1724, 11144), (2786, 6896), (3017, 6368), (3184, 6034), (3448, 5572)]