18691307180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10269949}}^1$

素因数の和:10269978

約数の個数: 48

約数和(自身を含む): 48309844800

約数和(自身を除く): 29618537620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10269949, 20539898, 41079796, 51349745, 71889643, 102699490, 133509337, 143779286, 205398980, 267018674, 287558572, 359448215, 534037348, 667546685, 718896430, 934565359, 1335093370, 1437792860, 1869130718, 2670186740, 3738261436, 4672826795, 9345653590, 18691307180]

約数ペア:

[(1, 18691307180), (2, 9345653590), (4, 4672826795), (5, 3738261436), (7, 2670186740), (10, 1869130718), (13, 1437792860), (14, 1335093370), (20, 934565359), (26, 718896430), (28, 667546685), (35, 534037348), (52, 359448215), (65, 287558572), (70, 267018674), (91, 205398980), (130, 143779286), (140, 133509337), (182, 102699490), (260, 71889643), (364, 51349745), (455, 41079796), (910, 20539898), (1820, 10269949)]