18448785

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 33733440

約数和(自身を除く): 15284655

約数列:

[1, 3, 5, 9, 15, 29, 45, 67, 87, 145, 201, 211, 261, 335, 435, 603, 633, 1005, 1055, 1305, 1899, 1943, 3015, 3165, 5829, 6119, 9495, 9715, 14137, 17487, 18357, 29145, 30595, 42411, 55071, 70685, 87435, 91785, 127233, 212055, 275355, 409973, 636165, 1229919, 2049865, 3689757, 6149595, 18448785]

約数ペア:

[(1, 18448785), (3, 6149595), (5, 3689757), (9, 2049865), (15, 1229919), (29, 636165), (45, 409973), (67, 275355), (87, 212055), (145, 127233), (201, 91785), (211, 87435), (261, 70685), (335, 55071), (435, 42411), (603, 30595), (633, 29145), (1005, 18357), (1055, 17487), (1305, 14137), (1899, 9715), (1943, 9495), (3015, 6119), (3165, 5829)]