19702574

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1471}}^1$

素因数の和:1691

約数の個数: 16

約数和(自身を含む): 30541056

約数和(自身を除く): 10838482

約数列:

[1, 2, 37, 74, 181, 362, 1471, 2942, 6697, 13394, 54427, 108854, 266251, 532502, 9851287, 19702574]

約数ペア:

[(1, 19702574), (2, 9851287), (37, 532502), (74, 266251), (181, 108854), (362, 54427), (1471, 13394), (2942, 6697)]