19972004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16699}}^1$

素因数の和:16739

約数の個数: 24

約数和(自身を含む): 39278400

約数和(自身を除く): 19306396

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 16699, 33398, 66796, 217087, 384077, 434174, 768154, 868348, 1536308, 4993001, 9986002, 19972004]

約数ペア:

[(1, 19972004), (2, 9986002), (4, 4993001), (13, 1536308), (23, 868348), (26, 768154), (46, 434174), (52, 384077), (92, 217087), (299, 66796), (598, 33398), (1196, 16699)]