18395020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 29505140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 59, 68, 70, 85, 118, 119, 131, 140, 170, 236, 238, 262, 295, 340, 413, 476, 524, 590, 595, 655, 826, 917, 1003, 1180, 1190, 1310, 1652, 1834, 2006, 2065, 2227, 2380, 2620, 3668, 4012, 4130, 4454, 4585, 5015, 7021, 7729, 8260, 8908, 9170, 10030, 11135, 14042, 15458, 15589, 18340, 20060, 22270, 28084, 30916, 31178, 35105, 38645, 44540, 54103, 62356, 70210, 77290, 77945, 108206, 131393, 140420, 154580, 155890, 216412, 262786, 270515, 311780, 525572, 541030, 656965, 919751, 1082060, 1313930, 1839502, 2627860, 3679004, 4598755, 9197510, 18395020]

約数ペア:

[(1, 18395020), (2, 9197510), (4, 4598755), (5, 3679004), (7, 2627860), (10, 1839502), (14, 1313930), (17, 1082060), (20, 919751), (28, 656965), (34, 541030), (35, 525572), (59, 311780), (68, 270515), (70, 262786), (85, 216412), (118, 155890), (119, 154580), (131, 140420), (140, 131393), (170, 108206), (236, 77945), (238, 77290), (262, 70210), (295, 62356), (340, 54103), (413, 44540), (476, 38645), (524, 35105), (590, 31178), (595, 30916), (655, 28084), (826, 22270), (917, 20060), (1003, 18340), (1180, 15589), (1190, 15458), (1310, 14042), (1652, 11135), (1834, 10030), (2006, 9170), (2065, 8908), (2227, 8260), (2380, 7729), (2620, 7021), (3668, 5015), (4012, 4585), (4130, 4454)]