17881794

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1175

約数の個数: 48

約数和(自身を含む): 44640960

約数和(自身を除く): 26759166

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1021, 1251, 1946, 2042, 2502, 2919, 3063, 5838, 6126, 7147, 8757, 9189, 14294, 17514, 18378, 21441, 42882, 64323, 128646, 141919, 283838, 425757, 851514, 993433, 1277271, 1986866, 2554542, 2980299, 5960598, 8940897, 17881794]

約数ペア:

[(1, 17881794), (2, 8940897), (3, 5960598), (6, 2980299), (7, 2554542), (9, 1986866), (14, 1277271), (18, 993433), (21, 851514), (42, 425757), (63, 283838), (126, 141919), (139, 128646), (278, 64323), (417, 42882), (834, 21441), (973, 18378), (1021, 17514), (1251, 14294), (1946, 9189), (2042, 8757), (2502, 7147), (2919, 6126), (3063, 5838)]