19936836

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{11783}}^1$

素因数の和:11840

約数の個数: 36

約数和(自身を含む): 51472512

約数和(自身を除く): 31535676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 11783, 23566, 35349, 47132, 70698, 106047, 141396, 212094, 424188, 553801, 1107602, 1661403, 2215204, 3322806, 4984209, 6645612, 9968418, 19936836]

約数ペア:

[(1, 19936836), (2, 9968418), (3, 6645612), (4, 4984209), (6, 3322806), (9, 2215204), (12, 1661403), (18, 1107602), (36, 553801), (47, 424188), (94, 212094), (141, 141396), (188, 106047), (282, 70698), (423, 47132), (564, 35349), (846, 23566), (1692, 11783)]