18081712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1537

約数の個数: 40

約数和(自身を含む): 38783232

約数和(自身を除く): 20701520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1447, 1562, 2894, 3124, 5788, 6248, 11576, 12496, 15917, 23152, 31834, 63668, 102737, 127336, 205474, 254672, 410948, 821896, 1130107, 1643792, 2260214, 4520428, 9040856, 18081712]

約数ペア:

[(1, 18081712), (2, 9040856), (4, 4520428), (8, 2260214), (11, 1643792), (16, 1130107), (22, 821896), (44, 410948), (71, 254672), (88, 205474), (142, 127336), (176, 102737), (284, 63668), (568, 31834), (781, 23152), (1136, 15917), (1447, 12496), (1562, 11576), (2894, 6248), (3124, 5788)]