19520638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 12873602

約数列:

[1, 2, 19, 31, 38, 62, 73, 146, 227, 454, 589, 1178, 1387, 2263, 2774, 4313, 4526, 7037, 8626, 14074, 16571, 33142, 42997, 85994, 133703, 267406, 314849, 513701, 629698, 1027402, 9760319, 19520638]

約数ペア:

[(1, 19520638), (2, 9760319), (19, 1027402), (31, 629698), (38, 513701), (62, 314849), (73, 267406), (146, 133703), (227, 85994), (454, 42997), (589, 33142), (1178, 16571), (1387, 14074), (2263, 8626), (2774, 7037), (4313, 4526)]