18945414

素因数分解:

$2^1\times 3^4\times {\mathrm{83}}^1\times {\mathrm{1409}}^1$

素因数の和:1506

約数の個数: 40

約数和(自身を含む): 42993720

約数和(自身を除く): 24048306

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 249, 498, 747, 1409, 1494, 2241, 2818, 4227, 4482, 6723, 8454, 12681, 13446, 25362, 38043, 76086, 114129, 116947, 228258, 233894, 350841, 701682, 1052523, 2105046, 3157569, 6315138, 9472707, 18945414]

約数ペア:

[(1, 18945414), (2, 9472707), (3, 6315138), (6, 3157569), (9, 2105046), (18, 1052523), (27, 701682), (54, 350841), (81, 233894), (83, 228258), (162, 116947), (166, 114129), (249, 76086), (498, 38043), (747, 25362), (1409, 13446), (1494, 12681), (2241, 8454), (2818, 6723), (4227, 4482)]