19745838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2339}}^1$

素因数の和:2421

約数の個数: 48

約数和(自身を含む): 49645440

約数和(自身を除く): 29899602

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 67, 126, 134, 201, 402, 469, 603, 938, 1206, 1407, 2339, 2814, 4221, 4678, 7017, 8442, 14034, 16373, 21051, 32746, 42102, 49119, 98238, 147357, 156713, 294714, 313426, 470139, 940278, 1096991, 1410417, 2193982, 2820834, 3290973, 6581946, 9872919, 19745838]

約数ペア:

[(1, 19745838), (2, 9872919), (3, 6581946), (6, 3290973), (7, 2820834), (9, 2193982), (14, 1410417), (18, 1096991), (21, 940278), (42, 470139), (63, 313426), (67, 294714), (126, 156713), (134, 147357), (201, 98238), (402, 49119), (469, 42102), (603, 32746), (938, 21051), (1206, 16373), (1407, 14034), (2339, 8442), (2814, 7017), (4221, 4678)]