18010720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1272

約数の個数: 96

約数和(自身を含む): 52411968

約数和(自身を除く): 34401248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1237, 1456, 1820, 2080, 2474, 2912, 3640, 4948, 6185, 7280, 8659, 9896, 12370, 14560, 16081, 17318, 19792, 24740, 32162, 34636, 39584, 43295, 49480, 64324, 69272, 80405, 86590, 98960, 112567, 128648, 138544, 160810, 173180, 197920, 225134, 257296, 277088, 321620, 346360, 450268, 514592, 562835, 643240, 692720, 900536, 1125670, 1286480, 1385440, 1801072, 2251340, 2572960, 3602144, 4502680, 9005360, 18010720]

約数ペア:

[(1, 18010720), (2, 9005360), (4, 4502680), (5, 3602144), (7, 2572960), (8, 2251340), (10, 1801072), (13, 1385440), (14, 1286480), (16, 1125670), (20, 900536), (26, 692720), (28, 643240), (32, 562835), (35, 514592), (40, 450268), (52, 346360), (56, 321620), (65, 277088), (70, 257296), (80, 225134), (91, 197920), (104, 173180), (112, 160810), (130, 138544), (140, 128648), (160, 112567), (182, 98960), (208, 86590), (224, 80405), (260, 69272), (280, 64324), (364, 49480), (416, 43295), (455, 39584), (520, 34636), (560, 32162), (728, 24740), (910, 19792), (1040, 17318), (1120, 16081), (1237, 14560), (1456, 12370), (1820, 9896), (2080, 8659), (2474, 7280), (2912, 6185), (3640, 4948)]