20191145355

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{45263}}^1$

素因数の和:45728

約数の個数: 48

約数和(自身を含む): 36605177856

約数和(自身を除く): 16414032501

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 431, 1035, 1293, 2155, 3879, 6465, 9913, 19395, 29739, 45263, 49565, 89217, 135789, 148695, 226315, 407367, 446085, 678945, 1041049, 2036835, 3123147, 5205245, 9369441, 15615735, 19508353, 46847205, 58525059, 97541765, 175575177, 292625295, 448692119, 877875885, 1346076357, 2243460595, 4038229071, 6730381785, 20191145355]

約数ペア:

[(1, 20191145355), (3, 6730381785), (5, 4038229071), (9, 2243460595), (15, 1346076357), (23, 877875885), (45, 448692119), (69, 292625295), (115, 175575177), (207, 97541765), (345, 58525059), (431, 46847205), (1035, 19508353), (1293, 15615735), (2155, 9369441), (3879, 5205245), (6465, 3123147), (9913, 2036835), (19395, 1041049), (29739, 678945), (45263, 446085), (49565, 407367), (89217, 226315), (135789, 148695)]