19861590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 34973610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 271, 349, 542, 698, 813, 1047, 1355, 1626, 1745, 1897, 2094, 2443, 2710, 3490, 3794, 4065, 4886, 5235, 5691, 7329, 8130, 9485, 10470, 11382, 12215, 14658, 18970, 24430, 28455, 36645, 56910, 73290, 94579, 189158, 283737, 472895, 567474, 662053, 945790, 1324106, 1418685, 1986159, 2837370, 3310265, 3972318, 6620530, 9930795, 19861590]

約数ペア:

[(1, 19861590), (2, 9930795), (3, 6620530), (5, 3972318), (6, 3310265), (7, 2837370), (10, 1986159), (14, 1418685), (15, 1324106), (21, 945790), (30, 662053), (35, 567474), (42, 472895), (70, 283737), (105, 189158), (210, 94579), (271, 73290), (349, 56910), (542, 36645), (698, 28455), (813, 24430), (1047, 18970), (1355, 14658), (1626, 12215), (1745, 11382), (1897, 10470), (2094, 9485), (2443, 8130), (2710, 7329), (3490, 5691), (3794, 5235), (4065, 4886)]