19904442

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 21152838

約数列:

[1, 2, 3, 6, 43, 86, 129, 179, 258, 358, 431, 537, 862, 1074, 1293, 2586, 7697, 15394, 18533, 23091, 37066, 46182, 55599, 77149, 111198, 154298, 231447, 462894, 3317407, 6634814, 9952221, 19904442]

約数ペア:

[(1, 19904442), (2, 9952221), (3, 6634814), (6, 3317407), (43, 462894), (86, 231447), (129, 154298), (179, 111198), (258, 77149), (358, 55599), (431, 46182), (537, 37066), (862, 23091), (1074, 18533), (1293, 15394), (2586, 7697)]