18765502

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 35112960

約数和(自身を除く): 16347458

約数列:

[1, 2, 7, 14, 19, 38, 47, 79, 94, 133, 158, 266, 329, 361, 553, 658, 722, 893, 1106, 1501, 1786, 2527, 3002, 3713, 5054, 6251, 7426, 10507, 12502, 16967, 21014, 25991, 28519, 33934, 51982, 57038, 70547, 118769, 141094, 199633, 237538, 399266, 493829, 987658, 1340393, 2680786, 9382751, 18765502]

約数ペア:

[(1, 18765502), (2, 9382751), (7, 2680786), (14, 1340393), (19, 987658), (38, 493829), (47, 399266), (79, 237538), (94, 199633), (133, 141094), (158, 118769), (266, 70547), (329, 57038), (361, 51982), (553, 33934), (658, 28519), (722, 25991), (893, 21014), (1106, 16967), (1501, 12502), (1786, 10507), (2527, 7426), (3002, 6251), (3713, 5054)]