18430305

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 30351360

約数和(自身を除く): 11921055

約数列:

[1, 3, 5, 15, 79, 103, 151, 237, 309, 395, 453, 515, 755, 1185, 1545, 2265, 8137, 11929, 15553, 24411, 35787, 40685, 46659, 59645, 77765, 122055, 178935, 233295, 1228687, 3686061, 6143435, 18430305]

約数ペア:

[(1, 18430305), (3, 6143435), (5, 3686061), (15, 1228687), (79, 233295), (103, 178935), (151, 122055), (237, 77765), (309, 59645), (395, 46659), (453, 40685), (515, 35787), (755, 24411), (1185, 15553), (1545, 11929), (2265, 8137)]