19970188

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13457}}^1$

素因数の和:13521

約数の個数: 24

約数和(自身を含む): 40696992

約数和(自身を除く): 20726804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13457, 26914, 53828, 94199, 188398, 376796, 713221, 1426442, 2852884, 4992547, 9985094, 19970188]

約数ペア:

[(1, 19970188), (2, 9985094), (4, 4992547), (7, 2852884), (14, 1426442), (28, 713221), (53, 376796), (106, 188398), (212, 94199), (371, 53828), (742, 26914), (1484, 13457)]