19949944

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8689}}^1$

素因数の和:8743

約数の個数: 32

約数和(自身を含む): 43797600

約数和(自身を除く): 23847656

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8689, 17378, 34756, 60823, 69512, 121646, 243292, 356249, 486584, 712498, 1424996, 2493743, 2849992, 4987486, 9974972, 19949944]

約数ペア:

[(1, 19949944), (2, 9974972), (4, 4987486), (7, 2849992), (8, 2493743), (14, 1424996), (28, 712498), (41, 486584), (56, 356249), (82, 243292), (164, 121646), (287, 69512), (328, 60823), (574, 34756), (1148, 17378), (2296, 8689)]