19971288

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2693}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 54634320

約数和(自身を除く): 34663032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2693, 3708, 5386, 7416, 8079, 10772, 16158, 21544, 24237, 32316, 48474, 64632, 96948, 193896, 277379, 554758, 832137, 1109516, 1664274, 2219032, 2496411, 3328548, 4992822, 6657096, 9985644, 19971288]

約数ペア:

[(1, 19971288), (2, 9985644), (3, 6657096), (4, 4992822), (6, 3328548), (8, 2496411), (9, 2219032), (12, 1664274), (18, 1109516), (24, 832137), (36, 554758), (72, 277379), (103, 193896), (206, 96948), (309, 64632), (412, 48474), (618, 32316), (824, 24237), (927, 21544), (1236, 16158), (1854, 10772), (2472, 8079), (2693, 7416), (3708, 5386)]