18805770

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 33086070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 81, 90, 109, 135, 142, 162, 213, 218, 243, 270, 327, 355, 405, 426, 486, 545, 639, 654, 710, 810, 981, 1065, 1090, 1215, 1278, 1635, 1917, 1962, 2130, 2430, 2943, 3195, 3270, 3834, 4905, 5751, 5886, 6390, 7739, 8829, 9585, 9810, 11502, 14715, 15478, 17253, 17658, 19170, 23217, 26487, 28755, 29430, 34506, 38695, 44145, 46434, 52974, 57510, 69651, 77390, 86265, 88290, 116085, 132435, 139302, 172530, 208953, 232170, 264870, 348255, 417906, 626859, 696510, 1044765, 1253718, 1880577, 2089530, 3134295, 3761154, 6268590, 9402885, 18805770]

約数ペア:

[(1, 18805770), (2, 9402885), (3, 6268590), (5, 3761154), (6, 3134295), (9, 2089530), (10, 1880577), (15, 1253718), (18, 1044765), (27, 696510), (30, 626859), (45, 417906), (54, 348255), (71, 264870), (81, 232170), (90, 208953), (109, 172530), (135, 139302), (142, 132435), (162, 116085), (213, 88290), (218, 86265), (243, 77390), (270, 69651), (327, 57510), (355, 52974), (405, 46434), (426, 44145), (486, 38695), (545, 34506), (639, 29430), (654, 28755), (710, 26487), (810, 23217), (981, 19170), (1065, 17658), (1090, 17253), (1215, 15478), (1278, 14715), (1635, 11502), (1917, 9810), (1962, 9585), (2130, 8829), (2430, 7739), (2943, 6390), (3195, 5886), (3270, 5751), (3834, 4905)]