18187785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 40884480

約数和(自身を除く): 22696695

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 29, 33, 35, 45, 55, 63, 77, 87, 99, 105, 145, 165, 181, 203, 231, 261, 315, 319, 385, 435, 495, 543, 609, 693, 905, 957, 1015, 1155, 1267, 1305, 1595, 1629, 1827, 1991, 2233, 2715, 2871, 3045, 3465, 3801, 4785, 5249, 5973, 6335, 6699, 8145, 9135, 9955, 11165, 11403, 13937, 14355, 15747, 17919, 19005, 20097, 26245, 29865, 33495, 36743, 41811, 47241, 57015, 57739, 69685, 78735, 89595, 100485, 110229, 125433, 173217, 183715, 209055, 236205, 288695, 330687, 404173, 519651, 551145, 627165, 866085, 1212519, 1653435, 2020865, 2598255, 3637557, 6062595, 18187785]

約数ペア:

[(1, 18187785), (3, 6062595), (5, 3637557), (7, 2598255), (9, 2020865), (11, 1653435), (15, 1212519), (21, 866085), (29, 627165), (33, 551145), (35, 519651), (45, 404173), (55, 330687), (63, 288695), (77, 236205), (87, 209055), (99, 183715), (105, 173217), (145, 125433), (165, 110229), (181, 100485), (203, 89595), (231, 78735), (261, 69685), (315, 57739), (319, 57015), (385, 47241), (435, 41811), (495, 36743), (543, 33495), (609, 29865), (693, 26245), (905, 20097), (957, 19005), (1015, 17919), (1155, 15747), (1267, 14355), (1305, 13937), (1595, 11403), (1629, 11165), (1827, 9955), (1991, 9135), (2233, 8145), (2715, 6699), (2871, 6335), (3045, 5973), (3465, 5249), (3801, 4785)]