18699952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 38502000

約数和(自身を除く): 19802048

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 449, 548, 898, 1096, 1796, 2192, 2603, 3592, 5206, 7184, 8531, 10412, 17062, 20824, 34124, 41648, 61513, 68248, 123026, 136496, 246052, 492104, 984208, 1168747, 2337494, 4674988, 9349976, 18699952]

約数ペア:

[(1, 18699952), (2, 9349976), (4, 4674988), (8, 2337494), (16, 1168747), (19, 984208), (38, 492104), (76, 246052), (137, 136496), (152, 123026), (274, 68248), (304, 61513), (449, 41648), (548, 34124), (898, 20824), (1096, 17062), (1796, 10412), (2192, 8531), (2603, 7184), (3592, 5206)]