18225460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2239}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 24675020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 2239, 4070, 4478, 8140, 8956, 11195, 22390, 24629, 44780, 49258, 82843, 98516, 123145, 165686, 246290, 331372, 414215, 492580, 828430, 911273, 1656860, 1822546, 3645092, 4556365, 9112730, 18225460]

約数ペア:

[(1, 18225460), (2, 9112730), (4, 4556365), (5, 3645092), (10, 1822546), (11, 1656860), (20, 911273), (22, 828430), (37, 492580), (44, 414215), (55, 331372), (74, 246290), (110, 165686), (148, 123145), (185, 98516), (220, 82843), (370, 49258), (407, 44780), (740, 24629), (814, 22390), (1628, 11195), (2035, 8956), (2239, 8140), (4070, 4478)]