19383560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1871}}^1$

素因数の和:1926

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 31834360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 1871, 2072, 2590, 3742, 5180, 7484, 9355, 10360, 13097, 14968, 18710, 26194, 37420, 52388, 65485, 69227, 74840, 104776, 130970, 138454, 261940, 276908, 346135, 484589, 523880, 553816, 692270, 969178, 1384540, 1938356, 2422945, 2769080, 3876712, 4845890, 9691780, 19383560]

約数ペア:

[(1, 19383560), (2, 9691780), (4, 4845890), (5, 3876712), (7, 2769080), (8, 2422945), (10, 1938356), (14, 1384540), (20, 969178), (28, 692270), (35, 553816), (37, 523880), (40, 484589), (56, 346135), (70, 276908), (74, 261940), (140, 138454), (148, 130970), (185, 104776), (259, 74840), (280, 69227), (296, 65485), (370, 52388), (518, 37420), (740, 26194), (1036, 18710), (1295, 14968), (1480, 13097), (1871, 10360), (2072, 9355), (2590, 7484), (3742, 5180)]