19265392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:653

約数の個数: 40

約数和(自身を含む): 39680000

約数和(自身を除く): 20414608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 127, 152, 254, 304, 499, 508, 998, 1016, 1996, 2032, 2413, 3992, 4826, 7984, 9481, 9652, 18962, 19304, 37924, 38608, 63373, 75848, 126746, 151696, 253492, 506984, 1013968, 1204087, 2408174, 4816348, 9632696, 19265392]

約数ペア:

[(1, 19265392), (2, 9632696), (4, 4816348), (8, 2408174), (16, 1204087), (19, 1013968), (38, 506984), (76, 253492), (127, 151696), (152, 126746), (254, 75848), (304, 63373), (499, 38608), (508, 37924), (998, 19304), (1016, 18962), (1996, 9652), (2032, 9481), (2413, 7984), (3992, 4826)]