18643116

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 45113600

約数和(自身を除く): 26470484

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 199, 211, 222, 398, 422, 444, 597, 633, 796, 844, 1194, 1266, 2388, 2532, 7363, 7807, 14726, 15614, 22089, 23421, 29452, 31228, 41989, 44178, 46842, 83978, 88356, 93684, 125967, 167956, 251934, 503868, 1553593, 3107186, 4660779, 6214372, 9321558, 18643116]

約数ペア:

[(1, 18643116), (2, 9321558), (3, 6214372), (4, 4660779), (6, 3107186), (12, 1553593), (37, 503868), (74, 251934), (111, 167956), (148, 125967), (199, 93684), (211, 88356), (222, 83978), (398, 46842), (422, 44178), (444, 41989), (597, 31228), (633, 29452), (796, 23421), (844, 22089), (1194, 15614), (1266, 14726), (2388, 7807), (2532, 7363)]