19853545

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 24786000

約数和(自身を除く): 4932455

約数列:

[1, 5, 29, 145, 269, 509, 1345, 2545, 7801, 14761, 39005, 73805, 136921, 684605, 3970709, 19853545]

約数ペア:

[(1, 19853545), (5, 3970709), (29, 684605), (145, 136921), (269, 73805), (509, 39005), (1345, 14761), (2545, 7801)]