19356260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12569}}^1$

素因数の和:12596

約数の個数: 48

約数和(自身を含む): 50682240

約数和(自身を除く): 31325980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 12569, 25138, 50276, 62845, 87983, 125690, 138259, 175966, 251380, 276518, 351932, 439915, 553036, 691295, 879830, 967813, 1382590, 1759660, 1935626, 2765180, 3871252, 4839065, 9678130, 19356260]

約数ペア:

[(1, 19356260), (2, 9678130), (4, 4839065), (5, 3871252), (7, 2765180), (10, 1935626), (11, 1759660), (14, 1382590), (20, 967813), (22, 879830), (28, 691295), (35, 553036), (44, 439915), (55, 351932), (70, 276518), (77, 251380), (110, 175966), (140, 138259), (154, 125690), (220, 87983), (308, 62845), (385, 50276), (770, 25138), (1540, 12569)]