18984330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5701}}^1$

素因数の和:5751

約数の個数: 48

約数和(自身を含む): 50702184

約数和(自身を除く): 31717854

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 5701, 11402, 17103, 28505, 34206, 51309, 57010, 85515, 102618, 171030, 210937, 256545, 421874, 513090, 632811, 1054685, 1265622, 1898433, 2109370, 3164055, 3796866, 6328110, 9492165, 18984330]

約数ペア:

[(1, 18984330), (2, 9492165), (3, 6328110), (5, 3796866), (6, 3164055), (9, 2109370), (10, 1898433), (15, 1265622), (18, 1054685), (30, 632811), (37, 513090), (45, 421874), (74, 256545), (90, 210937), (111, 171030), (185, 102618), (222, 85515), (333, 57010), (370, 51309), (555, 34206), (666, 28505), (1110, 17103), (1665, 11402), (3330, 5701)]