19249580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 27199060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 383, 718, 766, 1436, 1532, 1795, 1915, 2513, 2681, 3590, 3830, 5026, 5362, 7180, 7660, 10052, 10724, 12565, 13405, 25130, 26810, 50260, 53620, 137497, 274994, 549988, 687485, 962479, 1374970, 1924958, 2749940, 3849916, 4812395, 9624790, 19249580]

約数ペア:

[(1, 19249580), (2, 9624790), (4, 4812395), (5, 3849916), (7, 2749940), (10, 1924958), (14, 1374970), (20, 962479), (28, 687485), (35, 549988), (70, 274994), (140, 137497), (359, 53620), (383, 50260), (718, 26810), (766, 25130), (1436, 13405), (1532, 12565), (1795, 10724), (1915, 10052), (2513, 7660), (2681, 7180), (3590, 5362), (3830, 5026)]