18713260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2393}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 24723476

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 2393, 3910, 4786, 7820, 9572, 11965, 23930, 40681, 47860, 55039, 81362, 110078, 162724, 203405, 220156, 275195, 406810, 550390, 813620, 935663, 1100780, 1871326, 3742652, 4678315, 9356630, 18713260]

約数ペア:

[(1, 18713260), (2, 9356630), (4, 4678315), (5, 3742652), (10, 1871326), (17, 1100780), (20, 935663), (23, 813620), (34, 550390), (46, 406810), (68, 275195), (85, 220156), (92, 203405), (115, 162724), (170, 110078), (230, 81362), (340, 55039), (391, 47860), (460, 40681), (782, 23930), (1564, 11965), (1955, 9572), (2393, 7820), (3910, 4786)]