18179955

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13931}}^1$

素因数の和:13971

約数の個数: 24

約数和(自身を含む): 32600880

約数和(自身を除く): 14420925

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 13931, 41793, 69655, 125379, 208965, 403999, 626895, 1211997, 2019995, 3635991, 6059985, 18179955]

約数ペア:

[(1, 18179955), (3, 6059985), (5, 3635991), (9, 2019995), (15, 1211997), (29, 626895), (45, 403999), (87, 208965), (145, 125379), (261, 69655), (435, 41793), (1305, 13931)]