19082565

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 34655088

約数和(自身を除く): 15572523

約数列:

[1, 3, 5, 9, 15, 37, 45, 73, 111, 157, 185, 219, 333, 365, 471, 555, 657, 785, 1095, 1413, 1665, 2355, 2701, 3285, 5809, 7065, 8103, 11461, 13505, 17427, 24309, 29045, 34383, 40515, 52281, 57305, 87135, 103149, 121545, 171915, 261405, 424057, 515745, 1272171, 2120285, 3816513, 6360855, 19082565]

約数ペア:

[(1, 19082565), (3, 6360855), (5, 3816513), (9, 2120285), (15, 1272171), (37, 515745), (45, 424057), (73, 261405), (111, 171915), (157, 121545), (185, 103149), (219, 87135), (333, 57305), (365, 52281), (471, 40515), (555, 34383), (657, 29045), (785, 24309), (1095, 17427), (1413, 13505), (1665, 11461), (2355, 8103), (2701, 7065), (3285, 5809)]