18859516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3739}}^1$

素因数の和:3853

約数の個数: 24

約数和(自身を含む): 35918960

約数和(自身を除く): 17059444

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 3739, 5044, 7478, 14956, 48607, 97214, 194428, 362683, 725366, 1450732, 4714879, 9429758, 18859516]

約数ペア:

[(1, 18859516), (2, 9429758), (4, 4714879), (13, 1450732), (26, 725366), (52, 362683), (97, 194428), (194, 97214), (388, 48607), (1261, 14956), (2522, 7478), (3739, 5044)]