19705890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38639}}^1$

素因数の和:38666

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 30371550

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 38639, 77278, 115917, 193195, 231834, 386390, 579585, 656863, 1159170, 1313726, 1970589, 3284315, 3941178, 6568630, 9852945, 19705890]

約数ペア:

[(1, 19705890), (2, 9852945), (3, 6568630), (5, 3941178), (6, 3284315), (10, 1970589), (15, 1313726), (17, 1159170), (30, 656863), (34, 579585), (51, 386390), (85, 231834), (102, 193195), (170, 115917), (255, 77278), (510, 38639)]