18813951

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 32077584

約数和(自身を除く): 13263633

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1051, 1053, 1377, 1989, 3153, 5967, 9459, 13663, 17867, 17901, 28377, 40989, 53601, 85131, 122967, 160803, 232271, 368901, 482409, 696813, 1106703, 1447227, 2090439, 6271317, 18813951]

約数ペア:

[(1, 18813951), (3, 6271317), (9, 2090439), (13, 1447227), (17, 1106703), (27, 696813), (39, 482409), (51, 368901), (81, 232271), (117, 160803), (153, 122967), (221, 85131), (351, 53601), (459, 40989), (663, 28377), (1051, 17901), (1053, 17867), (1377, 13663), (1989, 9459), (3153, 5967)]