19785650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 39506400

約数和(自身を除く): 19720750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 353, 475, 590, 706, 950, 1121, 1475, 1765, 2242, 2950, 3530, 5605, 6707, 8825, 11210, 13414, 17650, 20827, 28025, 33535, 41654, 56050, 67070, 104135, 167675, 208270, 335350, 395713, 520675, 791426, 1041350, 1978565, 3957130, 9892825, 19785650]

約数ペア:

[(1, 19785650), (2, 9892825), (5, 3957130), (10, 1978565), (19, 1041350), (25, 791426), (38, 520675), (50, 395713), (59, 335350), (95, 208270), (118, 167675), (190, 104135), (295, 67070), (353, 56050), (475, 41654), (590, 33535), (706, 28025), (950, 20827), (1121, 17650), (1475, 13414), (1765, 11210), (2242, 8825), (2950, 6707), (3530, 5605)]