19784772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78511}}^1$

素因数の和:78528

約数の個数: 36

約数和(自身を含む): 57156736

約数和(自身を除く): 37371964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78511, 157022, 235533, 314044, 471066, 549577, 706599, 942132, 1099154, 1413198, 1648731, 2198308, 2826396, 3297462, 4946193, 6594924, 9892386, 19784772]

約数ペア:

[(1, 19784772), (2, 9892386), (3, 6594924), (4, 4946193), (6, 3297462), (7, 2826396), (9, 2198308), (12, 1648731), (14, 1413198), (18, 1099154), (21, 942132), (28, 706599), (36, 549577), (42, 471066), (63, 314044), (84, 235533), (126, 157022), (252, 78511)]