18587415

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 96

約数和(自身を含む): 40055040

約数和(自身を除く): 21467625

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 49, 55, 57, 77, 95, 105, 121, 133, 147, 165, 209, 231, 245, 285, 363, 385, 399, 539, 605, 627, 665, 735, 847, 931, 1045, 1155, 1331, 1463, 1617, 1815, 1995, 2299, 2541, 2695, 2793, 3135, 3993, 4235, 4389, 4655, 5929, 6655, 6897, 7315, 8085, 9317, 10241, 11495, 12705, 13965, 16093, 17787, 19965, 21945, 25289, 27951, 29645, 30723, 34485, 46585, 48279, 51205, 65219, 75867, 80465, 88935, 112651, 126445, 139755, 153615, 177023, 195657, 241395, 326095, 337953, 379335, 531069, 563255, 885115, 978285, 1239161, 1689765, 2655345, 3717483, 6195805, 18587415]

約数ペア:

[(1, 18587415), (3, 6195805), (5, 3717483), (7, 2655345), (11, 1689765), (15, 1239161), (19, 978285), (21, 885115), (33, 563255), (35, 531069), (49, 379335), (55, 337953), (57, 326095), (77, 241395), (95, 195657), (105, 177023), (121, 153615), (133, 139755), (147, 126445), (165, 112651), (209, 88935), (231, 80465), (245, 75867), (285, 65219), (363, 51205), (385, 48279), (399, 46585), (539, 34485), (605, 30723), (627, 29645), (665, 27951), (735, 25289), (847, 21945), (931, 19965), (1045, 17787), (1155, 16093), (1331, 13965), (1463, 12705), (1617, 11495), (1815, 10241), (1995, 9317), (2299, 8085), (2541, 7315), (2695, 6897), (2793, 6655), (3135, 5929), (3993, 4655), (4235, 4389)]