18784470978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11467931}}^1$

素因数の和:11467959

約数の個数: 48

約数和(自身を含む): 50091926976

約数和(自身を除く): 31307455998

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 11467931, 22935862, 34403793, 68807586, 80275517, 103211379, 149083103, 160551034, 206422758, 240826551, 298166206, 447249309, 481653102, 722479653, 894498618, 1043581721, 1341747927, 1444959306, 2087163442, 2683495854, 3130745163, 6261490326, 9392235489, 18784470978]

約数ペア:

[(1, 18784470978), (2, 9392235489), (3, 6261490326), (6, 3130745163), (7, 2683495854), (9, 2087163442), (13, 1444959306), (14, 1341747927), (18, 1043581721), (21, 894498618), (26, 722479653), (39, 481653102), (42, 447249309), (63, 298166206), (78, 240826551), (91, 206422758), (117, 160551034), (126, 149083103), (182, 103211379), (234, 80275517), (273, 68807586), (546, 34403793), (819, 22935862), (1638, 11467931)]