18242950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 37966320

約数和(自身を除く): 19723370

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 410, 451, 550, 809, 902, 1025, 1618, 2050, 2255, 4045, 4510, 8090, 8899, 11275, 17798, 20225, 22550, 33169, 40450, 44495, 66338, 88990, 165845, 222475, 331690, 364859, 444950, 729718, 829225, 1658450, 1824295, 3648590, 9121475, 18242950]

約数ペア:

[(1, 18242950), (2, 9121475), (5, 3648590), (10, 1824295), (11, 1658450), (22, 829225), (25, 729718), (41, 444950), (50, 364859), (55, 331690), (82, 222475), (110, 165845), (205, 88990), (275, 66338), (410, 44495), (451, 40450), (550, 33169), (809, 22550), (902, 20225), (1025, 17798), (1618, 11275), (2050, 8899), (2255, 8090), (4045, 4510)]