18984108

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 56077056

約数和(自身を除く): 37092948

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 23, 26, 33, 37, 39, 44, 46, 52, 66, 69, 74, 78, 92, 111, 132, 138, 143, 148, 156, 169, 222, 253, 276, 286, 299, 338, 407, 429, 444, 481, 506, 507, 572, 598, 676, 759, 814, 851, 858, 897, 962, 1012, 1014, 1196, 1221, 1443, 1518, 1628, 1702, 1716, 1794, 1859, 1924, 2028, 2442, 2553, 2886, 3036, 3289, 3404, 3588, 3718, 3887, 4884, 5106, 5291, 5577, 5772, 6253, 6578, 7436, 7774, 9361, 9867, 10212, 10582, 11063, 11154, 11661, 12506, 13156, 15548, 15873, 18722, 18759, 19734, 21164, 22126, 22308, 23322, 25012, 28083, 31746, 33189, 37444, 37518, 39468, 42757, 44252, 46644, 56166, 63492, 66378, 68783, 75036, 85514, 112332, 121693, 128271, 132756, 137566, 143819, 171028, 206349, 243386, 256542, 275132, 287638, 365079, 412698, 431457, 486772, 513084, 575276, 730158, 825396, 862914, 1460316, 1582009, 1725828, 3164018, 4746027, 6328036, 9492054, 18984108]

約数ペア:

[(1, 18984108), (2, 9492054), (3, 6328036), (4, 4746027), (6, 3164018), (11, 1725828), (12, 1582009), (13, 1460316), (22, 862914), (23, 825396), (26, 730158), (33, 575276), (37, 513084), (39, 486772), (44, 431457), (46, 412698), (52, 365079), (66, 287638), (69, 275132), (74, 256542), (78, 243386), (92, 206349), (111, 171028), (132, 143819), (138, 137566), (143, 132756), (148, 128271), (156, 121693), (169, 112332), (222, 85514), (253, 75036), (276, 68783), (286, 66378), (299, 63492), (338, 56166), (407, 46644), (429, 44252), (444, 42757), (481, 39468), (506, 37518), (507, 37444), (572, 33189), (598, 31746), (676, 28083), (759, 25012), (814, 23322), (851, 22308), (858, 22126), (897, 21164), (962, 19734), (1012, 18759), (1014, 18722), (1196, 15873), (1221, 15548), (1443, 13156), (1518, 12506), (1628, 11661), (1702, 11154), (1716, 11063), (1794, 10582), (1859, 10212), (1924, 9867), (2028, 9361), (2442, 7774), (2553, 7436), (2886, 6578), (3036, 6253), (3289, 5772), (3404, 5577), (3588, 5291), (3718, 5106), (3887, 4884)]