18786810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 51985152

約数和(自身を除く): 33198342

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 274, 411, 653, 685, 822, 959, 1306, 1370, 1918, 1959, 2055, 2877, 3265, 3918, 4110, 4571, 4795, 5754, 6530, 9142, 9590, 9795, 13713, 14385, 19590, 22855, 27426, 28770, 45710, 68565, 89461, 137130, 178922, 268383, 447305, 536766, 626227, 894610, 1252454, 1341915, 1878681, 2683830, 3131135, 3757362, 6262270, 9393405, 18786810]

約数ペア:

[(1, 18786810), (2, 9393405), (3, 6262270), (5, 3757362), (6, 3131135), (7, 2683830), (10, 1878681), (14, 1341915), (15, 1252454), (21, 894610), (30, 626227), (35, 536766), (42, 447305), (70, 268383), (105, 178922), (137, 137130), (210, 89461), (274, 68565), (411, 45710), (653, 28770), (685, 27426), (822, 22855), (959, 19590), (1306, 14385), (1370, 13713), (1918, 9795), (1959, 9590), (2055, 9142), (2877, 6530), (3265, 5754), (3918, 4795), (4110, 4571)]