19943476

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21424844

約数列:

[1, 2, 4, 7, 14, 28, 53, 89, 106, 151, 178, 212, 302, 356, 371, 604, 623, 742, 1057, 1246, 1484, 2114, 2492, 4228, 4717, 8003, 9434, 13439, 16006, 18868, 26878, 32012, 33019, 53756, 56021, 66038, 94073, 112042, 132076, 188146, 224084, 376292, 712267, 1424534, 2849068, 4985869, 9971738, 19943476]

約数ペア:

[(1, 19943476), (2, 9971738), (4, 4985869), (7, 2849068), (14, 1424534), (28, 712267), (53, 376292), (89, 224084), (106, 188146), (151, 132076), (178, 112042), (212, 94073), (302, 66038), (356, 56021), (371, 53756), (604, 33019), (623, 32012), (742, 26878), (1057, 18868), (1246, 16006), (1484, 13439), (2114, 9434), (2492, 8003), (4228, 4717)]