19986510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22973}}^1$

素因数の和:23012

約数の個数: 32

約数和(自身を含む): 49623840

約数和(自身を除く): 29637330

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 22973, 45946, 68919, 114865, 137838, 229730, 344595, 666217, 689190, 1332434, 1998651, 3331085, 3997302, 6662170, 9993255, 19986510]

約数ペア:

[(1, 19986510), (2, 9993255), (3, 6662170), (5, 3997302), (6, 3331085), (10, 1998651), (15, 1332434), (29, 689190), (30, 666217), (58, 344595), (87, 229730), (145, 137838), (174, 114865), (290, 68919), (435, 45946), (870, 22973)]