19040680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28001}}^1$

素因数の和:28029

約数の個数: 32

約数和(自身を含む): 45363240

約数和(自身を除く): 26322560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28001, 56002, 112004, 140005, 224008, 280010, 476017, 560020, 952034, 1120040, 1904068, 2380085, 3808136, 4760170, 9520340, 19040680]

約数ペア:

[(1, 19040680), (2, 9520340), (4, 4760170), (5, 3808136), (8, 2380085), (10, 1904068), (17, 1120040), (20, 952034), (34, 560020), (40, 476017), (68, 280010), (85, 224008), (136, 140005), (170, 112004), (340, 56002), (680, 28001)]