18494085

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 30907008

約数和(自身を除く): 12412923

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 541, 645, 795, 1623, 2279, 2705, 6837, 8115, 11395, 23263, 28673, 34185, 69789, 86019, 116315, 143365, 348945, 430095, 1232939, 3698817, 6164695, 18494085]

約数ペア:

[(1, 18494085), (3, 6164695), (5, 3698817), (15, 1232939), (43, 430095), (53, 348945), (129, 143365), (159, 116315), (215, 86019), (265, 69789), (541, 34185), (645, 28673), (795, 23263), (1623, 11395), (2279, 8115), (2705, 6837)]