12819020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 29302560

約数和(自身を除く): 16483540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1019, 1258, 2038, 2516, 3145, 4076, 5095, 6290, 10190, 12580, 17323, 20380, 34646, 37703, 69292, 75406, 86615, 150812, 173230, 188515, 346460, 377030, 640951, 754060, 1281902, 2563804, 3204755, 6409510, 12819020]

約数ペア:

[(1, 12819020), (2, 6409510), (4, 3204755), (5, 2563804), (10, 1281902), (17, 754060), (20, 640951), (34, 377030), (37, 346460), (68, 188515), (74, 173230), (85, 150812), (148, 86615), (170, 75406), (185, 69292), (340, 37703), (370, 34646), (629, 20380), (740, 17323), (1019, 12580), (1258, 10190), (2038, 6290), (2516, 5095), (3145, 4076)]