19963908

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 58705920

約数和(自身を除く): 38742012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 47, 54, 57, 69, 76, 81, 92, 94, 108, 114, 138, 141, 162, 171, 188, 207, 228, 243, 276, 282, 324, 342, 414, 423, 437, 486, 513, 564, 621, 684, 828, 846, 874, 893, 972, 1026, 1081, 1242, 1269, 1311, 1539, 1692, 1748, 1786, 1863, 2052, 2162, 2484, 2538, 2622, 2679, 3078, 3243, 3572, 3726, 3807, 3933, 4324, 4617, 5076, 5244, 5358, 5589, 6156, 6486, 7452, 7614, 7866, 8037, 9234, 9729, 10716, 11178, 11421, 11799, 12972, 15228, 15732, 16074, 18468, 19458, 20539, 22356, 22842, 23598, 24111, 29187, 32148, 35397, 38916, 41078, 45684, 47196, 48222, 58374, 61617, 70794, 72333, 82156, 87561, 96444, 106191, 116748, 123234, 141588, 144666, 175122, 184851, 212382, 216999, 246468, 262683, 289332, 350244, 369702, 424764, 433998, 525366, 554553, 739404, 867996, 1050732, 1109106, 1663659, 2218212, 3327318, 4990977, 6654636, 9981954, 19963908]

約数ペア:

[(1, 19963908), (2, 9981954), (3, 6654636), (4, 4990977), (6, 3327318), (9, 2218212), (12, 1663659), (18, 1109106), (19, 1050732), (23, 867996), (27, 739404), (36, 554553), (38, 525366), (46, 433998), (47, 424764), (54, 369702), (57, 350244), (69, 289332), (76, 262683), (81, 246468), (92, 216999), (94, 212382), (108, 184851), (114, 175122), (138, 144666), (141, 141588), (162, 123234), (171, 116748), (188, 106191), (207, 96444), (228, 87561), (243, 82156), (276, 72333), (282, 70794), (324, 61617), (342, 58374), (414, 48222), (423, 47196), (437, 45684), (486, 41078), (513, 38916), (564, 35397), (621, 32148), (684, 29187), (828, 24111), (846, 23598), (874, 22842), (893, 22356), (972, 20539), (1026, 19458), (1081, 18468), (1242, 16074), (1269, 15732), (1311, 15228), (1539, 12972), (1692, 11799), (1748, 11421), (1786, 11178), (1863, 10716), (2052, 9729), (2162, 9234), (2484, 8037), (2538, 7866), (2622, 7614), (2679, 7452), (3078, 6486), (3243, 6156), (3572, 5589), (3726, 5358), (3807, 5244), (3933, 5076), (4324, 4617)]