19990116

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10477}}^1$

素因数の和:10540

約数の個数: 36

約数和(自身を含む): 51488892

約数和(自身を除く): 31498776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10477, 20954, 31431, 41908, 62862, 94293, 125724, 188586, 377172, 555281, 1110562, 1665843, 2221124, 3331686, 4997529, 6663372, 9995058, 19990116]

約数ペア:

[(1, 19990116), (2, 9995058), (3, 6663372), (4, 4997529), (6, 3331686), (9, 2221124), (12, 1665843), (18, 1110562), (36, 555281), (53, 377172), (106, 188586), (159, 125724), (212, 94293), (318, 62862), (477, 41908), (636, 31431), (954, 20954), (1908, 10477)]