19338318

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{2281}}^1$

素因数の和:2449

約数の個数: 32

約数和(自身を含む): 43266720

約数和(自身を除く): 23928402

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2281, 2826, 4239, 4562, 6843, 8478, 13686, 20529, 41058, 61587, 123174, 358117, 716234, 1074351, 2148702, 3223053, 6446106, 9669159, 19338318]

約数ペア:

[(1, 19338318), (2, 9669159), (3, 6446106), (6, 3223053), (9, 2148702), (18, 1074351), (27, 716234), (54, 358117), (157, 123174), (314, 61587), (471, 41058), (942, 20529), (1413, 13686), (2281, 8478), (2826, 6843), (4239, 4562)]