17939103

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2857}}^1$

素因数の和:2903

約数の個数: 32

約数和(自身を含む): 30729216

約数和(自身を除く): 12790113

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 2857, 6279, 8571, 19999, 37141, 59997, 65711, 111423, 197133, 259987, 459977, 779961, 854243, 1379931, 2562729, 5979701, 17939103]

約数ペア:

[(1, 17939103), (3, 5979701), (7, 2562729), (13, 1379931), (21, 854243), (23, 779961), (39, 459977), (69, 259987), (91, 197133), (161, 111423), (273, 65711), (299, 59997), (483, 37141), (897, 19999), (2093, 8571), (2857, 6279)]