18824465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 25800768

約数和(自身を除く): 6976303

約数列:

[1, 5, 11, 23, 55, 115, 253, 529, 647, 1265, 2645, 3235, 5819, 7117, 14881, 29095, 35585, 74405, 163691, 342263, 818455, 1711315, 3764893, 18824465]

約数ペア:

[(1, 18824465), (5, 3764893), (11, 1711315), (23, 818455), (55, 342263), (115, 163691), (253, 74405), (529, 35585), (647, 29095), (1265, 14881), (2645, 7117), (3235, 5819)]