19962020152

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1\times {\mathrm{887}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 38530391040

約数和(自身を除く): 18568370888

約数列:

[1, 2, 4, 8, 61, 107, 122, 214, 244, 428, 431, 488, 856, 862, 887, 1724, 1774, 3448, 3548, 6527, 7096, 13054, 26108, 26291, 46117, 52216, 52582, 54107, 92234, 94909, 105164, 108214, 184468, 189818, 210328, 216428, 368936, 379636, 382297, 432856, 759272, 764594, 1529188, 2813137, 3058376, 5626274, 5789449, 11252548, 11578898, 22505096, 23157796, 23320117, 40905779, 46315592, 46640234, 81811558, 93280468, 163623116, 186560936, 327246232, 2495252519, 4990505038, 9981010076, 19962020152]

約数ペア:

[(1, 19962020152), (2, 9981010076), (4, 4990505038), (8, 2495252519), (61, 327246232), (107, 186560936), (122, 163623116), (214, 93280468), (244, 81811558), (428, 46640234), (431, 46315592), (488, 40905779), (856, 23320117), (862, 23157796), (887, 22505096), (1724, 11578898), (1774, 11252548), (3448, 5789449), (3548, 5626274), (6527, 3058376), (7096, 2813137), (13054, 1529188), (26108, 764594), (26291, 759272), (46117, 432856), (52216, 382297), (52582, 379636), (54107, 368936), (92234, 216428), (94909, 210328), (105164, 189818), (108214, 184468)]