18804396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 47628000

約数和(自身を除く): 28823604

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 298, 447, 596, 809, 894, 1618, 1788, 1937, 2427, 3236, 3874, 4854, 5811, 7748, 9708, 10517, 11622, 21034, 23244, 31551, 42068, 63102, 120541, 126204, 241082, 361623, 482164, 723246, 1446492, 1567033, 3134066, 4701099, 6268132, 9402198, 18804396]

約数ペア:

[(1, 18804396), (2, 9402198), (3, 6268132), (4, 4701099), (6, 3134066), (12, 1567033), (13, 1446492), (26, 723246), (39, 482164), (52, 361623), (78, 241082), (149, 126204), (156, 120541), (298, 63102), (447, 42068), (596, 31551), (809, 23244), (894, 21034), (1618, 11622), (1788, 10517), (1937, 9708), (2427, 7748), (3236, 5811), (3874, 4854)]