19422025

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 29462400

約数和(自身を除く): 10040375

約数列:

[1, 5, 7, 25, 29, 35, 43, 89, 145, 175, 203, 215, 301, 445, 623, 725, 1015, 1075, 1247, 1505, 2225, 2581, 3115, 3827, 5075, 6235, 7525, 8729, 12905, 15575, 18067, 19135, 26789, 31175, 43645, 64525, 90335, 95675, 110983, 133945, 218225, 451675, 554915, 669725, 776881, 2774575, 3884405, 19422025]

約数ペア:

[(1, 19422025), (5, 3884405), (7, 2774575), (25, 776881), (29, 669725), (35, 554915), (43, 451675), (89, 218225), (145, 133945), (175, 110983), (203, 95675), (215, 90335), (301, 64525), (445, 43645), (623, 31175), (725, 26789), (1015, 19135), (1075, 18067), (1247, 15575), (1505, 12905), (2225, 8729), (2581, 7525), (3115, 6235), (3827, 5075)]