18527080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 50803200

約数和(自身を除く): 32276120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 41, 44, 52, 55, 65, 79, 82, 88, 104, 110, 130, 143, 158, 164, 205, 220, 260, 286, 316, 328, 395, 410, 440, 451, 520, 533, 572, 632, 715, 790, 820, 869, 902, 1027, 1066, 1144, 1430, 1580, 1640, 1738, 1804, 2054, 2132, 2255, 2665, 2860, 3160, 3239, 3476, 3608, 4108, 4264, 4345, 4510, 5135, 5330, 5720, 5863, 6478, 6952, 8216, 8690, 9020, 10270, 10660, 11297, 11726, 12956, 16195, 17380, 18040, 20540, 21320, 22594, 23452, 25912, 29315, 32390, 34760, 35629, 41080, 42107, 45188, 46904, 56485, 58630, 64780, 71258, 84214, 90376, 112970, 117260, 129560, 142516, 168428, 178145, 210535, 225940, 234520, 285032, 336856, 356290, 421070, 451880, 463177, 712580, 842140, 926354, 1425160, 1684280, 1852708, 2315885, 3705416, 4631770, 9263540, 18527080]

約数ペア:

[(1, 18527080), (2, 9263540), (4, 4631770), (5, 3705416), (8, 2315885), (10, 1852708), (11, 1684280), (13, 1425160), (20, 926354), (22, 842140), (26, 712580), (40, 463177), (41, 451880), (44, 421070), (52, 356290), (55, 336856), (65, 285032), (79, 234520), (82, 225940), (88, 210535), (104, 178145), (110, 168428), (130, 142516), (143, 129560), (158, 117260), (164, 112970), (205, 90376), (220, 84214), (260, 71258), (286, 64780), (316, 58630), (328, 56485), (395, 46904), (410, 45188), (440, 42107), (451, 41080), (520, 35629), (533, 34760), (572, 32390), (632, 29315), (715, 25912), (790, 23452), (820, 22594), (869, 21320), (902, 20540), (1027, 18040), (1066, 17380), (1144, 16195), (1430, 12956), (1580, 11726), (1640, 11297), (1738, 10660), (1804, 10270), (2054, 9020), (2132, 8690), (2255, 8216), (2665, 6952), (2860, 6478), (3160, 5863), (3239, 5720), (3476, 5330), (3608, 5135), (4108, 4510), (4264, 4345)]