18921264

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{20747}}^1$

素因数の和:20777

約数の個数: 40

約数和(自身を含む): 51455040

約数和(自身を除く): 32533776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 20747, 41494, 62241, 82988, 124482, 165976, 248964, 331952, 394193, 497928, 788386, 995856, 1182579, 1576772, 2365158, 3153544, 4730316, 6307088, 9460632, 18921264]

約数ペア:

[(1, 18921264), (2, 9460632), (3, 6307088), (4, 4730316), (6, 3153544), (8, 2365158), (12, 1576772), (16, 1182579), (19, 995856), (24, 788386), (38, 497928), (48, 394193), (57, 331952), (76, 248964), (114, 165976), (152, 124482), (228, 82988), (304, 62241), (456, 41494), (912, 20747)]