19850744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1789}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 39738000

約数和(自身を除く): 19887256

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1789, 2774, 3578, 5548, 7156, 11096, 14312, 33991, 67982, 130597, 135964, 261194, 271928, 522388, 1044776, 2481343, 4962686, 9925372, 19850744]

約数ペア:

[(1, 19850744), (2, 9925372), (4, 4962686), (8, 2481343), (19, 1044776), (38, 522388), (73, 271928), (76, 261194), (146, 135964), (152, 130597), (292, 67982), (584, 33991), (1387, 14312), (1789, 11096), (2774, 7156), (3578, 5548)]