18980802

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 42625440

約数和(自身を除く): 23644638

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 137, 179, 258, 274, 358, 387, 411, 537, 774, 822, 1074, 1233, 1611, 2466, 3222, 5891, 7697, 11782, 15394, 17673, 23091, 24523, 35346, 46182, 49046, 53019, 69273, 73569, 106038, 138546, 147138, 220707, 441414, 1054489, 2108978, 3163467, 6326934, 9490401, 18980802]

約数ペア:

[(1, 18980802), (2, 9490401), (3, 6326934), (6, 3163467), (9, 2108978), (18, 1054489), (43, 441414), (86, 220707), (129, 147138), (137, 138546), (179, 106038), (258, 73569), (274, 69273), (358, 53019), (387, 49046), (411, 46182), (537, 35346), (774, 24523), (822, 23091), (1074, 17673), (1233, 15394), (1611, 11782), (2466, 7697), (3222, 5891)]