19510605

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3361}}^1$

素因数の和:3418

約数の個数: 32

約数和(自身を含む): 35502720

約数和(自身を除く): 15992115

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3361, 5805, 10083, 16805, 30249, 50415, 90747, 144523, 151245, 433569, 453735, 722615, 1300707, 2167845, 3902121, 6503535, 19510605]

約数ペア:

[(1, 19510605), (3, 6503535), (5, 3902121), (9, 2167845), (15, 1300707), (27, 722615), (43, 453735), (45, 433569), (129, 151245), (135, 144523), (215, 90747), (387, 50415), (645, 30249), (1161, 16805), (1935, 10083), (3361, 5805)]