19936854

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17581}}^1$

素因数の和:17602

約数の個数: 40

約数和(自身を含む): 51058128

約数和(自身を除く): 31121274

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 17581, 35162, 52743, 105486, 123067, 158229, 246134, 316458, 369201, 474687, 738402, 949374, 1107603, 1424061, 2215206, 2848122, 3322809, 6645618, 9968427, 19936854]

約数ペア:

[(1, 19936854), (2, 9968427), (3, 6645618), (6, 3322809), (7, 2848122), (9, 2215206), (14, 1424061), (18, 1107603), (21, 949374), (27, 738402), (42, 474687), (54, 369201), (63, 316458), (81, 246134), (126, 158229), (162, 123067), (189, 105486), (378, 52743), (567, 35162), (1134, 17581)]