18650520070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{553921}}^1$

素因数の和:553985

約数の個数: 64

約数和(自身を含む): 42434856576

約数和(自身を除く): 23784336506

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 65, 70, 74, 91, 130, 182, 185, 259, 370, 455, 481, 518, 910, 962, 1295, 2405, 2590, 3367, 4810, 6734, 16835, 33670, 553921, 1107842, 2769605, 3877447, 5539210, 7200973, 7754894, 14401946, 19387235, 20495077, 36004865, 38774470, 40990154, 50406811, 72009730, 100813622, 102475385, 143465539, 204950770, 252034055, 266436001, 286931078, 504068110, 532872002, 717327695, 1332180005, 1434655390, 1865052007, 2664360010, 3730104014, 9325260035, 18650520070]

約数ペア:

[(1, 18650520070), (2, 9325260035), (5, 3730104014), (7, 2664360010), (10, 1865052007), (13, 1434655390), (14, 1332180005), (26, 717327695), (35, 532872002), (37, 504068110), (65, 286931078), (70, 266436001), (74, 252034055), (91, 204950770), (130, 143465539), (182, 102475385), (185, 100813622), (259, 72009730), (370, 50406811), (455, 40990154), (481, 38774470), (518, 36004865), (910, 20495077), (962, 19387235), (1295, 14401946), (2405, 7754894), (2590, 7200973), (3367, 5539210), (4810, 3877447), (6734, 2769605), (16835, 1107842), (33670, 553921)]