18531480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 43158120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 101, 110, 120, 132, 139, 165, 202, 220, 264, 278, 303, 330, 404, 417, 440, 505, 556, 606, 660, 695, 808, 834, 1010, 1111, 1112, 1212, 1320, 1390, 1515, 1529, 1668, 2020, 2085, 2222, 2424, 2780, 3030, 3058, 3333, 3336, 4040, 4170, 4444, 4587, 5555, 5560, 6060, 6116, 6666, 7645, 8340, 8888, 9174, 11110, 12120, 12232, 13332, 14039, 15290, 16665, 16680, 18348, 22220, 22935, 26664, 28078, 30580, 33330, 36696, 42117, 44440, 45870, 56156, 61160, 66660, 70195, 84234, 91740, 112312, 133320, 140390, 154429, 168468, 183480, 210585, 280780, 308858, 336936, 421170, 463287, 561560, 617716, 772145, 842340, 926574, 1235432, 1544290, 1684680, 1853148, 2316435, 3088580, 3706296, 4632870, 6177160, 9265740, 18531480]

約数ペア:

[(1, 18531480), (2, 9265740), (3, 6177160), (4, 4632870), (5, 3706296), (6, 3088580), (8, 2316435), (10, 1853148), (11, 1684680), (12, 1544290), (15, 1235432), (20, 926574), (22, 842340), (24, 772145), (30, 617716), (33, 561560), (40, 463287), (44, 421170), (55, 336936), (60, 308858), (66, 280780), (88, 210585), (101, 183480), (110, 168468), (120, 154429), (132, 140390), (139, 133320), (165, 112312), (202, 91740), (220, 84234), (264, 70195), (278, 66660), (303, 61160), (330, 56156), (404, 45870), (417, 44440), (440, 42117), (505, 36696), (556, 33330), (606, 30580), (660, 28078), (695, 26664), (808, 22935), (834, 22220), (1010, 18348), (1111, 16680), (1112, 16665), (1212, 15290), (1320, 14039), (1390, 13332), (1515, 12232), (1529, 12120), (1668, 11110), (2020, 9174), (2085, 8888), (2222, 8340), (2424, 7645), (2780, 6666), (3030, 6116), (3058, 6060), (3333, 5560), (3336, 5555), (4040, 4587), (4170, 4444)]