19587906

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 80

約数和(自身を含む): 48299328

約数和(自身を除く): 28711422

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 81, 117, 131, 142, 162, 213, 234, 262, 351, 393, 426, 639, 702, 786, 923, 1053, 1179, 1278, 1703, 1846, 1917, 2106, 2358, 2769, 3406, 3537, 3834, 5109, 5538, 5751, 7074, 8307, 9301, 10218, 10611, 11502, 15327, 16614, 18602, 21222, 24921, 27903, 30654, 45981, 49842, 55806, 74763, 83709, 91962, 120913, 137943, 149526, 167418, 241826, 251127, 275886, 362739, 502254, 725478, 753381, 1088217, 1506762, 2176434, 3264651, 6529302, 9793953, 19587906]

約数ペア:

[(1, 19587906), (2, 9793953), (3, 6529302), (6, 3264651), (9, 2176434), (13, 1506762), (18, 1088217), (26, 753381), (27, 725478), (39, 502254), (54, 362739), (71, 275886), (78, 251127), (81, 241826), (117, 167418), (131, 149526), (142, 137943), (162, 120913), (213, 91962), (234, 83709), (262, 74763), (351, 55806), (393, 49842), (426, 45981), (639, 30654), (702, 27903), (786, 24921), (923, 21222), (1053, 18602), (1179, 16614), (1278, 15327), (1703, 11502), (1846, 10611), (1917, 10218), (2106, 9301), (2358, 8307), (2769, 7074), (3406, 5751), (3537, 5538), (3834, 5109)]