18640776

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 60041520

約数和(自身を除く): 41400744

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 121, 131, 132, 147, 154, 168, 196, 231, 242, 262, 264, 294, 308, 363, 392, 393, 462, 484, 524, 539, 588, 616, 726, 786, 847, 917, 924, 968, 1048, 1078, 1176, 1441, 1452, 1572, 1617, 1694, 1834, 1848, 2156, 2541, 2751, 2882, 2904, 3144, 3234, 3388, 3668, 4312, 4323, 5082, 5502, 5764, 5929, 6419, 6468, 6776, 7336, 8646, 10087, 10164, 11004, 11528, 11858, 12838, 12936, 15851, 17292, 17787, 19257, 20174, 20328, 22008, 23716, 25676, 30261, 31702, 34584, 35574, 38514, 40348, 47432, 47553, 51352, 60522, 63404, 70609, 71148, 77028, 80696, 95106, 110957, 121044, 126808, 141218, 142296, 154056, 190212, 211827, 221914, 242088, 282436, 332871, 380424, 423654, 443828, 564872, 665742, 776699, 847308, 887656, 1331484, 1553398, 1694616, 2330097, 2662968, 3106796, 4660194, 6213592, 9320388, 18640776]

約数ペア:

[(1, 18640776), (2, 9320388), (3, 6213592), (4, 4660194), (6, 3106796), (7, 2662968), (8, 2330097), (11, 1694616), (12, 1553398), (14, 1331484), (21, 887656), (22, 847308), (24, 776699), (28, 665742), (33, 564872), (42, 443828), (44, 423654), (49, 380424), (56, 332871), (66, 282436), (77, 242088), (84, 221914), (88, 211827), (98, 190212), (121, 154056), (131, 142296), (132, 141218), (147, 126808), (154, 121044), (168, 110957), (196, 95106), (231, 80696), (242, 77028), (262, 71148), (264, 70609), (294, 63404), (308, 60522), (363, 51352), (392, 47553), (393, 47432), (462, 40348), (484, 38514), (524, 35574), (539, 34584), (588, 31702), (616, 30261), (726, 25676), (786, 23716), (847, 22008), (917, 20328), (924, 20174), (968, 19257), (1048, 17787), (1078, 17292), (1176, 15851), (1441, 12936), (1452, 12838), (1572, 11858), (1617, 11528), (1694, 11004), (1834, 10164), (1848, 10087), (2156, 8646), (2541, 7336), (2751, 6776), (2882, 6468), (2904, 6419), (3144, 5929), (3234, 5764), (3388, 5502), (3668, 5082), (4312, 4323)]