18464229

素因数分解:

$3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:450

約数の個数: 36

約数和(自身を含む): 31344300

約数和(自身を除く): 12880071

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 149, 281, 441, 447, 843, 1043, 1341, 1967, 2529, 3129, 5901, 7301, 9387, 13769, 17703, 21903, 41307, 41869, 65709, 123921, 125607, 293083, 376821, 879249, 2051581, 2637747, 6154743, 18464229]

約数ペア:

[(1, 18464229), (3, 6154743), (7, 2637747), (9, 2051581), (21, 879249), (49, 376821), (63, 293083), (147, 125607), (149, 123921), (281, 65709), (441, 41869), (447, 41307), (843, 21903), (1043, 17703), (1341, 13769), (1967, 9387), (2529, 7301), (3129, 5901)]