18400473

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7489}}^1$

素因数の和:7518

約数の個数: 32

約数和(自身を含む): 33555200

約数和(自身を除く): 15154727

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7489, 22467, 52423, 67401, 97357, 157269, 202203, 292071, 471807, 681499, 876213, 1415421, 2044497, 2628639, 6133491, 18400473]

約数ペア:

[(1, 18400473), (3, 6133491), (7, 2628639), (9, 2044497), (13, 1415421), (21, 876213), (27, 681499), (39, 471807), (63, 292071), (91, 202203), (117, 157269), (189, 97357), (273, 67401), (351, 52423), (819, 22467), (2457, 7489)]