18331290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{577}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 47879208

約数和(自身を除く): 29547918

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 353, 577, 706, 1059, 1154, 1731, 1765, 2118, 2885, 3177, 3462, 3530, 5193, 5295, 5770, 6354, 8655, 10386, 10590, 15885, 17310, 25965, 31770, 51930, 203681, 407362, 611043, 1018405, 1222086, 1833129, 2036810, 3055215, 3666258, 6110430, 9165645, 18331290]

約数ペア:

[(1, 18331290), (2, 9165645), (3, 6110430), (5, 3666258), (6, 3055215), (9, 2036810), (10, 1833129), (15, 1222086), (18, 1018405), (30, 611043), (45, 407362), (90, 203681), (353, 51930), (577, 31770), (706, 25965), (1059, 17310), (1154, 15885), (1731, 10590), (1765, 10386), (2118, 8655), (2885, 6354), (3177, 5770), (3462, 5295), (3530, 5193)]