18531870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 37455330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 29, 30, 34, 35, 42, 51, 58, 70, 85, 87, 102, 105, 119, 145, 170, 174, 179, 203, 210, 238, 255, 290, 357, 358, 406, 435, 493, 510, 537, 595, 609, 714, 870, 895, 986, 1015, 1074, 1190, 1218, 1253, 1479, 1785, 1790, 2030, 2465, 2506, 2685, 2958, 3043, 3045, 3451, 3570, 3759, 4930, 5191, 5370, 6086, 6090, 6265, 6902, 7395, 7518, 9129, 10353, 10382, 12530, 14790, 15215, 15573, 17255, 18258, 18795, 20706, 21301, 25955, 30430, 31146, 34510, 36337, 37590, 42602, 45645, 51765, 51910, 63903, 72674, 77865, 88247, 91290, 103530, 106505, 109011, 127806, 155730, 176494, 181685, 213010, 218022, 264741, 319515, 363370, 441235, 529482, 545055, 617729, 639030, 882470, 1090110, 1235458, 1323705, 1853187, 2647410, 3088645, 3706374, 6177290, 9265935, 18531870]

約数ペア:

[(1, 18531870), (2, 9265935), (3, 6177290), (5, 3706374), (6, 3088645), (7, 2647410), (10, 1853187), (14, 1323705), (15, 1235458), (17, 1090110), (21, 882470), (29, 639030), (30, 617729), (34, 545055), (35, 529482), (42, 441235), (51, 363370), (58, 319515), (70, 264741), (85, 218022), (87, 213010), (102, 181685), (105, 176494), (119, 155730), (145, 127806), (170, 109011), (174, 106505), (179, 103530), (203, 91290), (210, 88247), (238, 77865), (255, 72674), (290, 63903), (357, 51910), (358, 51765), (406, 45645), (435, 42602), (493, 37590), (510, 36337), (537, 34510), (595, 31146), (609, 30430), (714, 25955), (870, 21301), (895, 20706), (986, 18795), (1015, 18258), (1074, 17255), (1190, 15573), (1218, 15215), (1253, 14790), (1479, 12530), (1785, 10382), (1790, 10353), (2030, 9129), (2465, 7518), (2506, 7395), (2685, 6902), (2958, 6265), (3043, 6090), (3045, 6086), (3451, 5370), (3570, 5191), (3759, 4930)]