19446908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 38290560

約数和(自身を除く): 18843652

約数列:

[1, 2, 4, 13, 26, 47, 52, 73, 94, 109, 146, 188, 218, 292, 436, 611, 949, 1222, 1417, 1898, 2444, 2834, 3431, 3796, 5123, 5668, 6862, 7957, 10246, 13724, 15914, 20492, 31828, 44603, 66599, 89206, 103441, 133198, 178412, 206882, 266396, 373979, 413764, 747958, 1495916, 4861727, 9723454, 19446908]

約数ペア:

[(1, 19446908), (2, 9723454), (4, 4861727), (13, 1495916), (26, 747958), (47, 413764), (52, 373979), (73, 266396), (94, 206882), (109, 178412), (146, 133198), (188, 103441), (218, 89206), (292, 66599), (436, 44603), (611, 31828), (949, 20492), (1222, 15914), (1417, 13724), (1898, 10246), (2444, 7957), (2834, 6862), (3431, 5668), (3796, 5123)]