18290090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 22836310

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 101, 130, 182, 199, 202, 398, 455, 505, 707, 910, 995, 1010, 1313, 1393, 1414, 1990, 2587, 2626, 2786, 3535, 5174, 6565, 6965, 7070, 9191, 12935, 13130, 13930, 18109, 18382, 20099, 25870, 36218, 40198, 45955, 90545, 91910, 100495, 140693, 181090, 200990, 261287, 281386, 522574, 703465, 1306435, 1406930, 1829009, 2612870, 3658018, 9145045, 18290090]

約数ペア:

[(1, 18290090), (2, 9145045), (5, 3658018), (7, 2612870), (10, 1829009), (13, 1406930), (14, 1306435), (26, 703465), (35, 522574), (65, 281386), (70, 261287), (91, 200990), (101, 181090), (130, 140693), (182, 100495), (199, 91910), (202, 90545), (398, 45955), (455, 40198), (505, 36218), (707, 25870), (910, 20099), (995, 18382), (1010, 18109), (1313, 13930), (1393, 13130), (1414, 12935), (1990, 9191), (2587, 7070), (2626, 6965), (2786, 6565), (3535, 5174)]