19966584

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 35554056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1427, 1749, 2332, 2854, 3498, 4281, 4664, 5708, 6996, 8562, 11416, 13992, 15697, 17124, 31394, 34248, 47091, 62788, 75631, 94182, 125576, 151262, 188364, 226893, 302524, 376728, 453786, 605048, 831941, 907572, 1663882, 1815144, 2495823, 3327764, 4991646, 6655528, 9983292, 19966584]

約数ペア:

[(1, 19966584), (2, 9983292), (3, 6655528), (4, 4991646), (6, 3327764), (8, 2495823), (11, 1815144), (12, 1663882), (22, 907572), (24, 831941), (33, 605048), (44, 453786), (53, 376728), (66, 302524), (88, 226893), (106, 188364), (132, 151262), (159, 125576), (212, 94182), (264, 75631), (318, 62788), (424, 47091), (583, 34248), (636, 31394), (1166, 17124), (1272, 15697), (1427, 13992), (1749, 11416), (2332, 8562), (2854, 6996), (3498, 5708), (4281, 4664)]