18635320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1096

約数の個数: 64

約数和(自身を含む): 46902240

約数和(自身を除く): 28266920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1033, 1640, 1804, 2066, 2255, 3608, 4132, 4510, 5165, 8264, 9020, 10330, 11363, 18040, 20660, 22726, 41320, 42353, 45452, 56815, 84706, 90904, 113630, 169412, 211765, 227260, 338824, 423530, 454520, 465883, 847060, 931766, 1694120, 1863532, 2329415, 3727064, 4658830, 9317660, 18635320]

約数ペア:

[(1, 18635320), (2, 9317660), (4, 4658830), (5, 3727064), (8, 2329415), (10, 1863532), (11, 1694120), (20, 931766), (22, 847060), (40, 465883), (41, 454520), (44, 423530), (55, 338824), (82, 227260), (88, 211765), (110, 169412), (164, 113630), (205, 90904), (220, 84706), (328, 56815), (410, 45452), (440, 42353), (451, 41320), (820, 22726), (902, 20660), (1033, 18040), (1640, 11363), (1804, 10330), (2066, 9020), (2255, 8264), (3608, 5165), (4132, 4510)]