18088840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:875

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 33621560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 839, 980, 1078, 1540, 1678, 1960, 2156, 2695, 3080, 3356, 4195, 4312, 5390, 5873, 6712, 8390, 9229, 10780, 11746, 16780, 18458, 21560, 23492, 29365, 33560, 36916, 41111, 46145, 46984, 58730, 64603, 73832, 82222, 92290, 117460, 129206, 164444, 184580, 205555, 234920, 258412, 323015, 328888, 369160, 411110, 452221, 516824, 646030, 822220, 904442, 1292060, 1644440, 1808884, 2261105, 2584120, 3617768, 4522210, 9044420, 18088840]

約数ペア:

[(1, 18088840), (2, 9044420), (4, 4522210), (5, 3617768), (7, 2584120), (8, 2261105), (10, 1808884), (11, 1644440), (14, 1292060), (20, 904442), (22, 822220), (28, 646030), (35, 516824), (40, 452221), (44, 411110), (49, 369160), (55, 328888), (56, 323015), (70, 258412), (77, 234920), (88, 205555), (98, 184580), (110, 164444), (140, 129206), (154, 117460), (196, 92290), (220, 82222), (245, 73832), (280, 64603), (308, 58730), (385, 46984), (392, 46145), (440, 41111), (490, 36916), (539, 33560), (616, 29365), (770, 23492), (839, 21560), (980, 18458), (1078, 16780), (1540, 11746), (1678, 10780), (1960, 9229), (2156, 8390), (2695, 6712), (3080, 5873), (3356, 5390), (4195, 4312)]