19449690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49871}}^1$

素因数の和:49894

約数の個数: 32

約数和(自身を含む): 50270976

約数和(自身を除く): 30821286

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49871, 99742, 149613, 249355, 299226, 498710, 648323, 748065, 1296646, 1496130, 1944969, 3241615, 3889938, 6483230, 9724845, 19449690]

約数ペア:

[(1, 19449690), (2, 9724845), (3, 6483230), (5, 3889938), (6, 3241615), (10, 1944969), (13, 1496130), (15, 1296646), (26, 748065), (30, 648323), (39, 498710), (65, 299226), (78, 249355), (130, 149613), (195, 99742), (390, 49871)]