19807802

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38239}}^1$

素因数の和:38285

約数の個数: 16

約数和(自身を含む): 34874880

約数和(自身を除く): 15067078

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38239, 76478, 267673, 535346, 1414843, 2829686, 9903901, 19807802]

約数ペア:

[(1, 19807802), (2, 9903901), (7, 2829686), (14, 1414843), (37, 535346), (74, 267673), (259, 76478), (518, 38239)]