18986782360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{140977}}^1$

素因数の和:141045

約数の個数: 128

約数和(自身を含む): 54000213120

約数和(自身を除く): 35013430760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 728, 740, 910, 962, 1036, 1295, 1480, 1820, 1924, 2072, 2405, 2590, 3367, 3640, 3848, 4810, 5180, 6734, 9620, 10360, 13468, 16835, 19240, 26936, 33670, 67340, 134680, 140977, 281954, 563908, 704885, 986839, 1127816, 1409770, 1832701, 1973678, 2819540, 3665402, 3947356, 4934195, 5216149, 5639080, 7330804, 7894712, 9163505, 9868390, 10432298, 12828907, 14661608, 18327010, 19736780, 20864596, 25657814, 26080745, 36513043, 36654020, 39473560, 41729192, 51315628, 52161490, 64144535, 67809937, 73026086, 73308040, 102631256, 104322980, 128289070, 135619874, 146052172, 182565215, 208645960, 256578140, 271239748, 292104344, 339049685, 365130430, 474669559, 513156280, 542479496, 678099370, 730260860, 949339118, 1356198740, 1460521720, 1898678236, 2373347795, 2712397480, 3797356472, 4746695590, 9493391180, 18986782360]

約数ペア:

[(1, 18986782360), (2, 9493391180), (4, 4746695590), (5, 3797356472), (7, 2712397480), (8, 2373347795), (10, 1898678236), (13, 1460521720), (14, 1356198740), (20, 949339118), (26, 730260860), (28, 678099370), (35, 542479496), (37, 513156280), (40, 474669559), (52, 365130430), (56, 339049685), (65, 292104344), (70, 271239748), (74, 256578140), (91, 208645960), (104, 182565215), (130, 146052172), (140, 135619874), (148, 128289070), (182, 104322980), (185, 102631256), (259, 73308040), (260, 73026086), (280, 67809937), (296, 64144535), (364, 52161490), (370, 51315628), (455, 41729192), (481, 39473560), (518, 36654020), (520, 36513043), (728, 26080745), (740, 25657814), (910, 20864596), (962, 19736780), (1036, 18327010), (1295, 14661608), (1480, 12828907), (1820, 10432298), (1924, 9868390), (2072, 9163505), (2405, 7894712), (2590, 7330804), (3367, 5639080), (3640, 5216149), (3848, 4934195), (4810, 3947356), (5180, 3665402), (6734, 2819540), (9620, 1973678), (10360, 1832701), (13468, 1409770), (16835, 1127816), (19240, 986839), (26936, 704885), (33670, 563908), (67340, 281954), (134680, 140977)]