18640805589

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97943}}^1$

素因数の和:98031

約数の個数: 64

約数和(自身を含む): 33849446400

約数和(自身を除く): 15208640811

約数列:

[1, 3, 7, 9, 19, 21, 27, 53, 57, 63, 133, 159, 171, 189, 371, 399, 477, 513, 1007, 1113, 1197, 1431, 3021, 3339, 3591, 7049, 9063, 10017, 21147, 27189, 63441, 97943, 190323, 293829, 685601, 881487, 1860917, 2056803, 2644461, 5190979, 5582751, 6170409, 13026419, 15572937, 16748253, 18511227, 36336853, 39079257, 46718811, 50244759, 98628601, 109010559, 117237771, 140156433, 295885803, 327031677, 351713313, 690400207, 887657409, 981095031, 2071200621, 2662972227, 6213601863, 18640805589]

約数ペア:

[(1, 18640805589), (3, 6213601863), (7, 2662972227), (9, 2071200621), (19, 981095031), (21, 887657409), (27, 690400207), (53, 351713313), (57, 327031677), (63, 295885803), (133, 140156433), (159, 117237771), (171, 109010559), (189, 98628601), (371, 50244759), (399, 46718811), (477, 39079257), (513, 36336853), (1007, 18511227), (1113, 16748253), (1197, 15572937), (1431, 13026419), (3021, 6170409), (3339, 5582751), (3591, 5190979), (7049, 2644461), (9063, 2056803), (10017, 1860917), (21147, 881487), (27189, 685601), (63441, 293829), (97943, 190323)]