18237264

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20027

約数の個数: 40

約数和(自身を含む): 49595040

約数和(自身を除く): 31357776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 19997, 39994, 59991, 79988, 119982, 159976, 239964, 319952, 379943, 479928, 759886, 959856, 1139829, 1519772, 2279658, 3039544, 4559316, 6079088, 9118632, 18237264]

約数ペア:

[(1, 18237264), (2, 9118632), (3, 6079088), (4, 4559316), (6, 3039544), (8, 2279658), (12, 1519772), (16, 1139829), (19, 959856), (24, 759886), (38, 479928), (48, 379943), (57, 319952), (76, 239964), (114, 159976), (152, 119982), (228, 79988), (304, 59991), (456, 39994), (912, 19997)]