18958050

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:206

約数の個数: 120

約数和(自身を含む): 54734592

約数和(自身を除く): 35776542

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 81, 90, 93, 135, 150, 151, 155, 162, 186, 225, 270, 279, 302, 310, 405, 450, 453, 465, 558, 675, 755, 775, 810, 837, 906, 930, 1350, 1359, 1395, 1510, 1550, 1674, 2025, 2265, 2325, 2511, 2718, 2790, 3775, 4050, 4077, 4185, 4530, 4650, 4681, 5022, 6795, 6975, 7550, 8154, 8370, 9362, 11325, 12231, 12555, 13590, 13950, 14043, 20385, 20925, 22650, 23405, 24462, 25110, 28086, 33975, 40770, 41850, 42129, 46810, 61155, 62775, 67950, 70215, 84258, 101925, 117025, 122310, 125550, 126387, 140430, 203850, 210645, 234050, 252774, 305775, 351075, 379161, 421290, 611550, 631935, 702150, 758322, 1053225, 1263870, 1895805, 2106450, 3159675, 3791610, 6319350, 9479025, 18958050]

約数ペア:

[(1, 18958050), (2, 9479025), (3, 6319350), (5, 3791610), (6, 3159675), (9, 2106450), (10, 1895805), (15, 1263870), (18, 1053225), (25, 758322), (27, 702150), (30, 631935), (31, 611550), (45, 421290), (50, 379161), (54, 351075), (62, 305775), (75, 252774), (81, 234050), (90, 210645), (93, 203850), (135, 140430), (150, 126387), (151, 125550), (155, 122310), (162, 117025), (186, 101925), (225, 84258), (270, 70215), (279, 67950), (302, 62775), (310, 61155), (405, 46810), (450, 42129), (453, 41850), (465, 40770), (558, 33975), (675, 28086), (755, 25110), (775, 24462), (810, 23405), (837, 22650), (906, 20925), (930, 20385), (1350, 14043), (1359, 13950), (1395, 13590), (1510, 12555), (1550, 12231), (1674, 11325), (2025, 9362), (2265, 8370), (2325, 8154), (2511, 7550), (2718, 6975), (2790, 6795), (3775, 5022), (4050, 4681), (4077, 4650), (4185, 4530)]