18805590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{937}}^1$

素因数の和:1173

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 30360618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 937, 1115, 1338, 1874, 2007, 2230, 2811, 3345, 4014, 4685, 5622, 6690, 8433, 9370, 10035, 14055, 16866, 20070, 28110, 42165, 84330, 208951, 417902, 626853, 1044755, 1253706, 1880559, 2089510, 3134265, 3761118, 6268530, 9402795, 18805590]

約数ペア:

[(1, 18805590), (2, 9402795), (3, 6268530), (5, 3761118), (6, 3134265), (9, 2089510), (10, 1880559), (15, 1253706), (18, 1044755), (30, 626853), (45, 417902), (90, 208951), (223, 84330), (446, 42165), (669, 28110), (937, 20070), (1115, 16866), (1338, 14055), (1874, 10035), (2007, 9370), (2230, 8433), (2811, 6690), (3345, 5622), (4014, 4685)]