18204813

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 36

約数和(自身を含む): 29427580

約数和(自身を除く): 11222767

約数列:

[1, 3, 9, 11, 33, 73, 99, 121, 219, 229, 363, 657, 687, 803, 1089, 2061, 2409, 2519, 7227, 7557, 8833, 16717, 22671, 26499, 27709, 50151, 79497, 83127, 150453, 183887, 249381, 551661, 1654983, 2022757, 6068271, 18204813]

約数ペア:

[(1, 18204813), (3, 6068271), (9, 2022757), (11, 1654983), (33, 551661), (73, 249381), (99, 183887), (121, 150453), (219, 83127), (229, 79497), (363, 50151), (657, 27709), (687, 26499), (803, 22671), (1089, 16717), (2061, 8833), (2409, 7557), (2519, 7227)]