19921896090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{162641}}^1$

素因数の和:164015

約数の個数: 48

約数和(自身を含む): 51835306536

約数和(自身を除く): 31913410446

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1361, 2722, 4083, 6805, 8166, 12249, 13610, 20415, 24498, 40830, 61245, 122490, 162641, 325282, 487923, 813205, 975846, 1463769, 1626410, 2439615, 2927538, 4879230, 7318845, 14637690, 221354401, 442708802, 664063203, 1106772005, 1328126406, 1992189609, 2213544010, 3320316015, 3984379218, 6640632030, 9960948045, 19921896090]

約数ペア:

[(1, 19921896090), (2, 9960948045), (3, 6640632030), (5, 3984379218), (6, 3320316015), (9, 2213544010), (10, 1992189609), (15, 1328126406), (18, 1106772005), (30, 664063203), (45, 442708802), (90, 221354401), (1361, 14637690), (2722, 7318845), (4083, 4879230), (6805, 2927538), (8166, 2439615), (12249, 1626410), (13610, 1463769), (20415, 975846), (24498, 813205), (40830, 487923), (61245, 325282), (122490, 162641)]