18742017140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2131}}^1\times {\mathrm{5711}}^1$

素因数の和:7869

約数の個数: 96

約数和(自身を含む): 49101631488

約数和(自身を除く): 30359614348

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2131, 4262, 5711, 8524, 10655, 11422, 14917, 21310, 22844, 23441, 28555, 29834, 39977, 42620, 46882, 57110, 59668, 62821, 74585, 79954, 93764, 114220, 117205, 125642, 149170, 159908, 164087, 199885, 234410, 251284, 298340, 314105, 328174, 399770, 439747, 468820, 628210, 656348, 799540, 820435, 879494, 1256420, 1640870, 1758988, 2198735, 3281740, 4397470, 8794940, 12170141, 24340282, 48680564, 60850705, 85190987, 121701410, 133871551, 170381974, 243402820, 267743102, 340763948, 425954935, 535486204, 669357755, 851909870, 937100857, 1338715510, 1703819740, 1874201714, 2677431020, 3748403428, 4685504285, 9371008570, 18742017140]

約数ペア:

[(1, 18742017140), (2, 9371008570), (4, 4685504285), (5, 3748403428), (7, 2677431020), (10, 1874201714), (11, 1703819740), (14, 1338715510), (20, 937100857), (22, 851909870), (28, 669357755), (35, 535486204), (44, 425954935), (55, 340763948), (70, 267743102), (77, 243402820), (110, 170381974), (140, 133871551), (154, 121701410), (220, 85190987), (308, 60850705), (385, 48680564), (770, 24340282), (1540, 12170141), (2131, 8794940), (4262, 4397470), (5711, 3281740), (8524, 2198735), (10655, 1758988), (11422, 1640870), (14917, 1256420), (21310, 879494), (22844, 820435), (23441, 799540), (28555, 656348), (29834, 628210), (39977, 468820), (42620, 439747), (46882, 399770), (57110, 328174), (59668, 314105), (62821, 298340), (74585, 251284), (79954, 234410), (93764, 199885), (114220, 164087), (117205, 159908), (125642, 149170)]