19977201828

素因数分解:

$2^2\times 3^3\times {\mathrm{2693}}^1\times {\mathrm{68687}}^1$

素因数の和:71393

約数の個数: 48

約数和(自身を含む): 51812732160

約数和(自身を除く): 31835530332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 2693, 5386, 8079, 10772, 16158, 24237, 32316, 48474, 68687, 72711, 96948, 137374, 145422, 206061, 274748, 290844, 412122, 618183, 824244, 1236366, 1854549, 2472732, 3709098, 7418196, 184974091, 369948182, 554922273, 739896364, 1109844546, 1664766819, 2219689092, 3329533638, 4994300457, 6659067276, 9988600914, 19977201828]

約数ペア:

[(1, 19977201828), (2, 9988600914), (3, 6659067276), (4, 4994300457), (6, 3329533638), (9, 2219689092), (12, 1664766819), (18, 1109844546), (27, 739896364), (36, 554922273), (54, 369948182), (108, 184974091), (2693, 7418196), (5386, 3709098), (8079, 2472732), (10772, 1854549), (16158, 1236366), (24237, 824244), (32316, 618183), (48474, 412122), (68687, 290844), (72711, 274748), (96948, 206061), (137374, 145422)]