18843118

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 34030080

約数和(自身を除く): 15186962

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 278, 322, 421, 842, 973, 1946, 2947, 3197, 5894, 6394, 9683, 19366, 22379, 44758, 58519, 67781, 117038, 135562, 409633, 819266, 1345937, 2691874, 9421559, 18843118]

約数ペア:

[(1, 18843118), (2, 9421559), (7, 2691874), (14, 1345937), (23, 819266), (46, 409633), (139, 135562), (161, 117038), (278, 67781), (322, 58519), (421, 44758), (842, 22379), (973, 19366), (1946, 9683), (2947, 6394), (3197, 5894)]