18295480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 49926240

約数和(自身を除く): 31630760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 181, 190, 266, 280, 361, 362, 380, 532, 665, 722, 724, 760, 905, 1064, 1267, 1330, 1444, 1448, 1805, 1810, 2527, 2534, 2660, 2888, 3439, 3610, 3620, 5054, 5068, 5320, 6335, 6878, 7220, 7240, 10108, 10136, 12635, 12670, 13756, 14440, 17195, 20216, 24073, 25270, 25340, 27512, 34390, 48146, 50540, 50680, 65341, 68780, 96292, 101080, 120365, 130682, 137560, 192584, 240730, 261364, 326705, 457387, 481460, 522728, 653410, 914774, 962920, 1306820, 1829548, 2286935, 2613640, 3659096, 4573870, 9147740, 18295480]

約数ペア:

[(1, 18295480), (2, 9147740), (4, 4573870), (5, 3659096), (7, 2613640), (8, 2286935), (10, 1829548), (14, 1306820), (19, 962920), (20, 914774), (28, 653410), (35, 522728), (38, 481460), (40, 457387), (56, 326705), (70, 261364), (76, 240730), (95, 192584), (133, 137560), (140, 130682), (152, 120365), (181, 101080), (190, 96292), (266, 68780), (280, 65341), (361, 50680), (362, 50540), (380, 48146), (532, 34390), (665, 27512), (722, 25340), (724, 25270), (760, 24073), (905, 20216), (1064, 17195), (1267, 14440), (1330, 13756), (1444, 12670), (1448, 12635), (1805, 10136), (1810, 10108), (2527, 7240), (2534, 7220), (2660, 6878), (2888, 6335), (3439, 5320), (3610, 5068), (3620, 5054)]