18642315

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 31481856

約数和(自身を除く): 12839541

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 853, 1457, 2559, 4265, 4371, 7285, 12795, 21855, 26443, 40091, 79329, 120273, 132215, 200455, 396645, 601365, 1242821, 3728463, 6214105, 18642315]

約数ペア:

[(1, 18642315), (3, 6214105), (5, 3728463), (15, 1242821), (31, 601365), (47, 396645), (93, 200455), (141, 132215), (155, 120273), (235, 79329), (465, 40091), (705, 26443), (853, 21855), (1457, 12795), (2559, 7285), (4265, 4371)]