18662787

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{853}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 33572448

約数和(自身を除く): 14909661

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 853, 1287, 1683, 1989, 2431, 2559, 7293, 7677, 9383, 11089, 14501, 21879, 28149, 33267, 43503, 84447, 99801, 121979, 130509, 159511, 188513, 365937, 478533, 565539, 1097811, 1435599, 1696617, 2073643, 6220929, 18662787]

約数ペア:

[(1, 18662787), (3, 6220929), (9, 2073643), (11, 1696617), (13, 1435599), (17, 1097811), (33, 565539), (39, 478533), (51, 365937), (99, 188513), (117, 159511), (143, 130509), (153, 121979), (187, 99801), (221, 84447), (429, 43503), (561, 33267), (663, 28149), (853, 21879), (1287, 14501), (1683, 11089), (1989, 9383), (2431, 7677), (2559, 7293)]