19799152

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 41153616

約数和(自身を除く): 21354464

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 83, 136, 166, 272, 332, 664, 877, 1328, 1411, 1754, 2822, 3508, 5644, 7016, 11288, 14032, 14909, 22576, 29818, 59636, 72791, 119272, 145582, 238544, 291164, 582328, 1164656, 1237447, 2474894, 4949788, 9899576, 19799152]

約数ペア:

[(1, 19799152), (2, 9899576), (4, 4949788), (8, 2474894), (16, 1237447), (17, 1164656), (34, 582328), (68, 291164), (83, 238544), (136, 145582), (166, 119272), (272, 72791), (332, 59636), (664, 29818), (877, 22576), (1328, 14909), (1411, 14032), (1754, 11288), (2822, 7016), (3508, 5644)]