18148240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 47246976

約数和(自身を除く): 29098736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 503, 656, 820, 880, 902, 1006, 1640, 1804, 2012, 2255, 2515, 3280, 3608, 4024, 4510, 5030, 5533, 7216, 8048, 9020, 10060, 11066, 18040, 20120, 20623, 22132, 27665, 36080, 40240, 41246, 44264, 55330, 82492, 88528, 103115, 110660, 164984, 206230, 221320, 226853, 329968, 412460, 442640, 453706, 824920, 907412, 1134265, 1649840, 1814824, 2268530, 3629648, 4537060, 9074120, 18148240]

約数ペア:

[(1, 18148240), (2, 9074120), (4, 4537060), (5, 3629648), (8, 2268530), (10, 1814824), (11, 1649840), (16, 1134265), (20, 907412), (22, 824920), (40, 453706), (41, 442640), (44, 412460), (55, 329968), (80, 226853), (82, 221320), (88, 206230), (110, 164984), (164, 110660), (176, 103115), (205, 88528), (220, 82492), (328, 55330), (410, 44264), (440, 41246), (451, 40240), (503, 36080), (656, 27665), (820, 22132), (880, 20623), (902, 20120), (1006, 18040), (1640, 11066), (1804, 10060), (2012, 9020), (2255, 8048), (2515, 7216), (3280, 5533), (3608, 5030), (4024, 4510)]