18949425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 34664448

約数和(自身を除く): 15715023

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 103, 165, 223, 275, 309, 515, 669, 825, 1115, 1133, 1545, 2453, 2575, 3345, 3399, 5575, 5665, 7359, 7725, 12265, 16725, 16995, 22969, 28325, 36795, 61325, 68907, 84975, 114845, 183975, 252659, 344535, 574225, 757977, 1263295, 1722675, 3789885, 6316475, 18949425]

約数ペア:

[(1, 18949425), (3, 6316475), (5, 3789885), (11, 1722675), (15, 1263295), (25, 757977), (33, 574225), (55, 344535), (75, 252659), (103, 183975), (165, 114845), (223, 84975), (275, 68907), (309, 61325), (515, 36795), (669, 28325), (825, 22969), (1115, 16995), (1133, 16725), (1545, 12265), (2453, 7725), (2575, 7359), (3345, 5665), (3399, 5575)]