18631809

素因数分解:

$3^3\times 7^2\times {\mathrm{14083}}^1$

素因数の和:14106

約数の個数: 24

約数和(自身を含む): 32111520

約数和(自身を除く): 13479711

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 14083, 42249, 98581, 126747, 295743, 380241, 690067, 887229, 2070201, 2661687, 6210603, 18631809]

約数ペア:

[(1, 18631809), (3, 6210603), (7, 2661687), (9, 2070201), (21, 887229), (27, 690067), (49, 380241), (63, 295743), (147, 126747), (189, 98581), (441, 42249), (1323, 14083)]