18607407

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 31622400

約数和(自身を除く): 13014993

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 107, 147, 169, 273, 321, 343, 507, 637, 749, 1029, 1183, 1391, 1911, 2247, 3549, 4173, 4459, 5243, 8281, 9737, 13377, 15729, 18083, 24843, 29211, 36701, 54249, 57967, 68159, 110103, 126581, 173901, 204477, 379743, 477113, 886067, 1431339, 2658201, 6202469, 18607407]

約数ペア:

[(1, 18607407), (3, 6202469), (7, 2658201), (13, 1431339), (21, 886067), (39, 477113), (49, 379743), (91, 204477), (107, 173901), (147, 126581), (169, 110103), (273, 68159), (321, 57967), (343, 54249), (507, 36701), (637, 29211), (749, 24843), (1029, 18083), (1183, 15729), (1391, 13377), (1911, 9737), (2247, 8281), (3549, 5243), (4173, 4459)]