18642750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 54991872

約数和(自身を除く): 36349122

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 53, 67, 70, 75, 105, 106, 125, 134, 150, 159, 175, 201, 210, 250, 265, 318, 335, 350, 371, 375, 402, 469, 525, 530, 670, 742, 750, 795, 875, 938, 1005, 1050, 1113, 1325, 1407, 1590, 1675, 1750, 1855, 2010, 2226, 2345, 2625, 2650, 2814, 3350, 3551, 3710, 3975, 4690, 5025, 5250, 5565, 6625, 7035, 7102, 7950, 8375, 9275, 10050, 10653, 11130, 11725, 13250, 14070, 16750, 17755, 18550, 19875, 21306, 23450, 24857, 25125, 27825, 35175, 35510, 39750, 46375, 49714, 50250, 53265, 55650, 58625, 70350, 74571, 88775, 92750, 106530, 117250, 124285, 139125, 149142, 175875, 177550, 248570, 266325, 278250, 351750, 372855, 443875, 532650, 621425, 745710, 887750, 1242850, 1331625, 1864275, 2663250, 3107125, 3728550, 6214250, 9321375, 18642750]

約数ペア:

[(1, 18642750), (2, 9321375), (3, 6214250), (5, 3728550), (6, 3107125), (7, 2663250), (10, 1864275), (14, 1331625), (15, 1242850), (21, 887750), (25, 745710), (30, 621425), (35, 532650), (42, 443875), (50, 372855), (53, 351750), (67, 278250), (70, 266325), (75, 248570), (105, 177550), (106, 175875), (125, 149142), (134, 139125), (150, 124285), (159, 117250), (175, 106530), (201, 92750), (210, 88775), (250, 74571), (265, 70350), (318, 58625), (335, 55650), (350, 53265), (371, 50250), (375, 49714), (402, 46375), (469, 39750), (525, 35510), (530, 35175), (670, 27825), (742, 25125), (750, 24857), (795, 23450), (875, 21306), (938, 19875), (1005, 18550), (1050, 17755), (1113, 16750), (1325, 14070), (1407, 13250), (1590, 11725), (1675, 11130), (1750, 10653), (1855, 10050), (2010, 9275), (2226, 8375), (2345, 7950), (2625, 7102), (2650, 7035), (2814, 6625), (3350, 5565), (3551, 5250), (3710, 5025), (3975, 4690)]