18831750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 57148416

約数和(自身を除く): 38316666

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 25, 30, 34, 35, 42, 50, 51, 70, 75, 85, 102, 105, 119, 125, 150, 170, 175, 210, 211, 238, 250, 255, 350, 357, 375, 422, 425, 510, 525, 595, 633, 714, 750, 850, 875, 1050, 1055, 1190, 1266, 1275, 1477, 1750, 1785, 2110, 2125, 2550, 2625, 2954, 2975, 3165, 3570, 3587, 4250, 4431, 5250, 5275, 5950, 6330, 6375, 7174, 7385, 8862, 8925, 10550, 10761, 12750, 14770, 14875, 15825, 17850, 17935, 21522, 22155, 25109, 26375, 29750, 31650, 35870, 36925, 44310, 44625, 50218, 52750, 53805, 73850, 75327, 79125, 89250, 89675, 107610, 110775, 125545, 150654, 158250, 179350, 184625, 221550, 251090, 269025, 369250, 376635, 448375, 538050, 553875, 627725, 753270, 896750, 1107750, 1255450, 1345125, 1883175, 2690250, 3138625, 3766350, 6277250, 9415875, 18831750]

約数ペア:

[(1, 18831750), (2, 9415875), (3, 6277250), (5, 3766350), (6, 3138625), (7, 2690250), (10, 1883175), (14, 1345125), (15, 1255450), (17, 1107750), (21, 896750), (25, 753270), (30, 627725), (34, 553875), (35, 538050), (42, 448375), (50, 376635), (51, 369250), (70, 269025), (75, 251090), (85, 221550), (102, 184625), (105, 179350), (119, 158250), (125, 150654), (150, 125545), (170, 110775), (175, 107610), (210, 89675), (211, 89250), (238, 79125), (250, 75327), (255, 73850), (350, 53805), (357, 52750), (375, 50218), (422, 44625), (425, 44310), (510, 36925), (525, 35870), (595, 31650), (633, 29750), (714, 26375), (750, 25109), (850, 22155), (875, 21522), (1050, 17935), (1055, 17850), (1190, 15825), (1266, 14875), (1275, 14770), (1477, 12750), (1750, 10761), (1785, 10550), (2110, 8925), (2125, 8862), (2550, 7385), (2625, 7174), (2954, 6375), (2975, 6330), (3165, 5950), (3570, 5275), (3587, 5250), (4250, 4431)]