18944739

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 30862080

約数和(自身を除く): 11917341

約数列:

[1, 3, 9, 11, 27, 33, 99, 227, 281, 297, 681, 843, 2043, 2497, 2529, 3091, 6129, 7491, 7587, 9273, 22473, 27819, 63787, 67419, 83457, 191361, 574083, 701657, 1722249, 2104971, 6314913, 18944739]

約数ペア:

[(1, 18944739), (3, 6314913), (9, 2104971), (11, 1722249), (27, 701657), (33, 574083), (99, 191361), (227, 83457), (281, 67419), (297, 63787), (681, 27819), (843, 22473), (2043, 9273), (2497, 7587), (2529, 7491), (3091, 6129)]