18831043

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 40

約数和(自身を含む): 25814016

約数和(自身を除く): 6982973

約数列:

[1, 7, 11, 23, 31, 49, 77, 161, 217, 253, 341, 343, 539, 713, 1127, 1519, 1771, 2387, 2401, 3773, 4991, 7843, 7889, 10633, 12397, 16709, 26411, 34937, 54901, 55223, 74431, 86779, 116963, 244559, 384307, 607453, 818741, 1711913, 2690149, 18831043]

約数ペア:

[(1, 18831043), (7, 2690149), (11, 1711913), (23, 818741), (31, 607453), (49, 384307), (77, 244559), (161, 116963), (217, 86779), (253, 74431), (341, 55223), (343, 54901), (539, 34937), (713, 26411), (1127, 16709), (1519, 12397), (1771, 10633), (2387, 7889), (2401, 7843), (3773, 4991)]